{"id":15884,"date":"2024-01-18T06:36:19","date_gmt":"2024-01-18T03:06:19","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/"},"modified":"2024-01-18T06:36:19","modified_gmt":"2024-01-18T03:06:19","slug":"%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/","title":{"rendered":"\u0642\u0627\u0644\u0628 \u0628\u0646\u062f\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a2%d8%b4%d9%86%d8%a7%db%8c%db%8c_%d8%a8%d8%a7_%da%a9%d9%84%d8%a7%d8%b3_%d9%82%d8%a7%d9%84%d8%a8_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%b1%d8%b4%d8%aa%d9%87_%d8%a7%d9%84%da%af%d9%88\" >\u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d9%85%d8%aa%d8%af_substitute\" >\u0645\u062a\u062f ()substitute<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%d8%b1%d8%a7%db%8c%d8%ac_%d9%82%d8%a7%d9%84%d8%a8\" >\u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0642\u0627\u0644\u0628<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%b1%d9%88%d8%b4_safe_substitute\" >\u0631\u0648\u0634 safe_substitute()<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%da%a9%d8%b1%d8%af%d9%86_%da%a9%d9%84%d8%a7%d8%b3_%d9%82%d8%a7%d9%84%d8%a8_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0631\u062f\u0646 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%ac%d8%af%d8%a7%da%a9%d9%86%d9%86%d8%af%d9%87_%d9%85%d8%aa%d9%81%d8%a7%d9%88%d8%aa\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0645\u062a\u0641\u0627\u0648\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%aa%d8%ba%db%8c%db%8c%d8%b1_%d8%a2%d9%86%da%86%d9%87_%d8%a8%d9%87_%d8%b9%d9%86%d9%88%d8%a7%d9%86_%db%8c%da%a9_%d8%b4%d9%86%d8%a7%d8%b3%d9%87_%d9%88%d8%a7%d8%ac%d8%af_%d8%b4%d8%b1%d8%a7%db%8c%d8%b7_%d8%a7%d8%b3%d8%aa\" >\u062a\u063a\u06cc\u06cc\u0631 \u0622\u0646\u0686\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0627\u0633\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%b3%d8%a7%d8%ae%d8%aa_%d8%b2%db%8c%d8%b1_%da%a9%d9%84%d8%a7%d8%b3_%d9%87%d8%a7%db%8c_%d8%a7%d9%84%da%af%d9%88%db%8c_%d9%be%db%8c%d8%b4%d8%b1%d9%81%d8%aa%d9%87\" >\u0633\u0627\u062e\u062a \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0644\u06af\u0648\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d8%ac%d8%b1%d8%a7%db%8c_%da%a9%d8%af_%d8%a8%d8%a7_eval_%d9%88_exec\" >\u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u0628\u0627 eval() \u0648 exec()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%82%d8%a7%d9%84%d8%a8-%d8%a8%d9%86%d8%af%db%8c-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%a8%d8%a7-%da%a9%d9%84%d8%a7%d8%b3-%d9%82%d8%a7%d9%84%d8%a8-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 12<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div><noscript><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0627 \u0627\u0644\u06af\u0648\u0647\u0627\u060c \u0645\u0627 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0628\u0633\u06cc\u0627\u0631 \u0642\u0627\u0628\u0644 \u062a\u0646\u0638\u06cc\u0645 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 (\u06cc\u0627 \u062f\u0631\u0648\u0646 \u06cc\u0627\u0628\u06cc \u0631\u0634\u062a\u0647) \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645.<\/p>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 f-strings \u06a9\u0647 \u0627\u062e\u06cc\u0631\u0627\u064b \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0631\u062f\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0627 \u0627\u0644\u06af\u0648\u0647\u0627 \u06a9\u0645\u062a\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a\u060c \u0642\u062f\u0631\u062a \u0622\u0646 \u062f\u0631 \u0627\u06cc\u0646 \u0627\u0633\u062a <em>\u0686\u06af\u0648\u0646\u0647<\/em> \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0642\u0627\u0644\u0628 \u0628\u0646\u062f\u06cc \u0631\u0634\u062a\u0647 \u062e\u0648\u062f \u0631\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0627 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0642\u0627\u0644\u0628 \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>Template<\/code> \u06a9\u0644\u0627\u0633  \u0633\u067e\u0633 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0648\u0634\u06cc \u0631\u0627 \u06a9\u0647 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u0646\u062f\u060c \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639\u0627\u062a\u060c \u0628\u0647 \u062f\u0627\u0646\u0634 \u0627\u0648\u0644\u06cc\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0631\u0648\u06cc \u0631\u0648\u0634 \u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0648 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645<\/p>\n<h2 id=\"understandingthepythontemplateclass\"><span class=\"ez-toc-section\" id=\"%d8%a2%d8%b4%d9%86%d8%a7%db%8c%db%8c_%d8%a8%d8%a7_%da%a9%d9%84%d8%a7%d8%b3_%d9%82%d8%a7%d9%84%d8%a8_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0647 <code>string<\/code> \u0645\u0627\u0698\u0648\u0644 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 2.4.  \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u062f\u0627\u062e\u0644\u06cc (\u0639\u0645\u062f\u062a\u0627\u064b \u0628\u0647 <code>%<\/code>) \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u0634\u062a\u0647 \u0648 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0622\u0646\u0647\u0627 \u0628\u0647 \u0631\u0648\u0634\u06cc \u06a9\u0627\u0631\u0628\u0631 \u067e\u0633\u0646\u062f.<\/p>\n<p>\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0644\u0627\u0633 \u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u0628\u0627 \u06cc\u06a9 \u0627\u0644\u06af\u0648\u06cc \u06a9\u0644\u06cc \u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f <strong>\u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0642\u0627\u0644\u0628<\/strong>.  \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u0645\u0639\u062a\u0628\u0631 \u06cc\u0627 <em>\u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0645\u06a9\u0627\u0646<\/em>\u060c \u0627\u0632 \u062f\u0648 \u0628\u062e\u0634 \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<ul>\n<li>\u0627\u06cc\u0646 <code>$<\/code> \u0633\u0645\u0628\u0644<\/li>\n<li>\u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646  \u0634\u0646\u0627\u0633\u0647 \u0647\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0627\u0632 \u062d\u0631\u0648\u0641 \u0628\u0632\u0631\u06af \u0648 \u06a9\u0648\u0686\u06a9 A \u062a\u0627 Z \u0627\u0633\u062a \u06a9\u0647 \u0632\u06cc\u0631\u062e\u0637 (<code>_<\/code>) \u0648 \u0627\u0631\u0642\u0627\u0645 0 \u062a\u0627 9. \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0627\u0639\u062f\u0627\u062f \u0634\u0631\u0648\u0639 \u0634\u0648\u062f \u0648 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<p>\u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u060c <code>$name<\/code> \u0648 <code>$age<\/code> \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u0639\u062a\u0628\u0631 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u062f\u0631 \u06a9\u062f \u0645\u0627\u060c \u0628\u0627\u06cc\u062f:<\/p>\n<ol>\n<li>\u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 <code>Template<\/code> \u0627\u0632 <code>string<\/code> \u0645\u062f\u0648\u0644<\/li>\n<li>\u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u0645\u0639\u062a\u0628\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f<\/li>\n<li>\u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f <code>Template<\/code> \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646<\/li>\n<li>\u062a\u0639\u0648\u06cc\u0636 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u062a\u0639\u0648\u06cc\u0636 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f<\/li>\n<\/ol>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u0627\u0633\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u062f\u0631 \u06a9\u062f \u0645\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-keyword\">from<\/span> string <span class=\"hljs-keyword\">import<\/span> Template\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>temp_str = <span class=\"hljs-string\">'Hi $name, welcome to $site'<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>temp_obj = Template(temp_str)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>temp_obj.substitute(name=<span class=\"hljs-string\">'John Doe'<\/span>, site=<span class=\"hljs-string\">'rasanegar.com'<\/span>)\n<span class=\"hljs-string\">'Hi John Doe, welcome to rasanegar.com'<\/span>\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u062a\u0648\u062c\u0647 \u0645\u06cc \u0634\u0648\u06cc\u0645 \u06a9\u0647 \u0648\u0642\u062a\u06cc \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0631\u0627 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645 <code>temp_str<\/code>\u060c \u0645\u0627 \u0627\u0632 \u062f\u0648 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645: <code>$name<\/code> \u0648 <code>$site<\/code>.  \u0627\u06cc\u0646 <code>$<\/code> \u0639\u0644\u0627\u0645\u062a \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0648\u0627\u0642\u0639\u06cc \u0648 \u0634\u0646\u0627\u0633\u0647 \u0647\u0627 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f (<code>name<\/code> \u0648 <code>site<\/code>) \u0628\u0631\u0627\u06cc \u0646\u06af\u0627\u0634\u062a \u0645\u06a9\u0627\u0646\u200c\u06af\u06cc\u0631\u0647\u0627 \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0645\u0634\u062e\u0635\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<p>\u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u062c\u0627\u062f\u0648 \u06a9\u0627\u0645\u0644 \u0645\u06cc \u0634\u0648\u062f <a target=\"_blank\" href=\"#thesubstitutemethod\" rel=\"noopener\" class=\"broken_link\">\u0645\u062a\u062f ()substitute<\/a> \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062a\u0639\u0648\u06cc\u0636 \u0648 \u0633\u0627\u062e\u062a \u0631\u0634\u062a\u0647 \u0645\u0648\u0631\u062f \u0646\u0638\u0631.  \u062f\u0631 \u0641\u06a9\u0631 <code>substitute()<\/code> \u0627\u0646\u06af\u0627\u0631 \u0628\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u06cc \u06af\u0648\u06cc\u06cc\u0645\u060c \u0627\u06cc\u0646 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0645\u0631\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u06af\u0631 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u06cc\u062f <code>$name<\/code>\u060c \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f <code>John Doe<\/code>.  \u062c\u0633\u062a\u062c\u0648 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0631\u0634\u062a\u0647 \u0648 \u0627\u06af\u0631 \u0634\u0646\u0627\u0633\u0647 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u06cc\u062f \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f <code>$site<\/code>\u060c \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f <code>rasanegar.com<\/code>.<\/p>\n<p>\u0646\u0627\u0645 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0645\u06cc \u06af\u0630\u0631\u06cc\u0645 <code>.substitute()<\/code> \u0628\u0627\u06cc\u062f \u0628\u0627 \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u062f\u0631 \u0645\u062d\u0644 \u0647\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.<\/p>\n<p>\u0645\u0647\u0645\u062a\u0631\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a \u0628\u06cc\u0646 <code>Template<\/code> \u0648 \u0628\u0642\u06cc\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0646\u0648\u0639 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a.  \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0631 \u0646\u0648\u0639 \u0634\u06cc\u0626\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0631\u0634\u062a\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0639\u062a\u0628\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f\u060c \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u0645.  \u0627\u06cc\u0646 <code>Template<\/code> class \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u06cc\u0646 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0646\u0647\u0627\u06cc\u06cc \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0647 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645 \u062a\u0627 \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0627\u062e\u0644\u06cc \u06a9\u0644\u0627\u0633 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062f\u0627\u0646\u0634 \u062f\u0631 \u062f\u0633\u062a\u060c \u0645\u0627 \u0642\u0627\u062f\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0648\u062f \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u062f\u0631 \u06a9\u062f \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<h3 id=\"thetemplatestring\"><span class=\"ez-toc-section\" id=\"%d8%b1%d8%b4%d8%aa%d9%87_%d8%a7%d9%84%da%af%d9%88\"><\/span>\u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0631\u0634\u062a\u0647 \u0642\u0627\u0644\u0628 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u0639\u0645\u0648\u0644\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0645\u06a9\u0627\u0646\u200c\u0647\u0627\u06cc\u06cc \u062e\u0627\u0635 \u0627\u0633\u062a.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u06cc\u062f\u06cc\u0645\u060c \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646\u200c\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f <code>$<\/code> \u0639\u0644\u0627\u0645\u062a\u060c \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646.  \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u0645\u0639\u062a\u0628\u0631 \u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u06a9\u0627\u0646\u200c\u06af\u06cc\u0631\u0647\u0627 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0648\u062f\u0645\u0627\u0646 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0631\u062f \u062a\u0627 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062f\u0642\u06cc\u0642\u200c\u062a\u0631 \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f.<\/p>\n<p>\u0645\u0637\u0627\u0628\u0642 \u0628\u0627 <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.python.org\/dev\/peps\/pep-0292\/\">PEP 292 &#8212; \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0633\u0627\u062f\u0647 \u062a\u0631 \u0631\u0634\u062a\u0647<\/a>\u060c \u0642\u0648\u0627\u0646\u06cc\u0646 \u0632\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>$<\/code> \u0645\u06a9\u0627\u0646\u200c\u062f\u0627\u0631\u0647\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645:<\/p>\n<blockquote>\n<ol>\n<li><code>$$<\/code>  \u0641\u0631\u0627\u0631 \u0627\u0633\u062a\u061b  \u0628\u0627 \u06cc\u06a9 \u0648\u0627\u062d\u062f \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc \u0634\u0648\u062f <code>$<\/code><\/li>\n<li><code>$identifier<\/code>  \u06cc\u06a9 \u0645\u06a9\u0627\u0646\u200c\u0646\u0645\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0631\u0627 \u0646\u0627\u0645 \u0645\u06cc\u200c\u0628\u0631\u062f \u06a9\u0647 \u0628\u0627 \u06a9\u0644\u06cc\u062f \u0646\u06af\u0627\u0634\u062a \u00ab\u0634\u0646\u0627\u0633\u0647\u00bb \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f.  \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c \u00abidentifier\u00bb \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a \u0628\u0646\u0648\u06cc\u0633\u062f <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/docs.python.org\/reference\/lexical_analysis.html#identifiers-and-keywords\">http:\/\/docs.python.org\/reference\/lexical_analysis.html#identifiers-and-keywords<\/a>.  \u0627\u0648\u0644\u06cc\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631 \u0634\u0646\u0627\u0633\u0647 \u0628\u0639\u062f \u0627\u0632 <code>$<\/code> \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0627\u06cc\u0646 \u0645\u0634\u062e\u0635\u0627\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0645\u06a9\u0627\u0646 \u0631\u0627 \u062e\u0627\u062a\u0645\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<li><code>${identifier}<\/code>  \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a \u0628\u0627 <code>$identifier<\/code>.  \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0648\u06cc\u0633\u0647\u200c\u0647\u0627\u06cc \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u0627\u0632 \u0645\u06a9\u0627\u0646\u200c\u0646\u0645\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0627\u0645\u0627 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062c\u0627\u06cc\u200c\u0628\u0627\u0646 \u0646\u06cc\u0633\u062a\u0646\u062f\u060c \u0644\u0627\u0632\u0645 \u0627\u0633\u062a\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 <code>\"${noun}ification\"<\/code>.  (<a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.python.org\/dev\/peps\/pep-0292\/\">Source<\/a>)<\/li>\n<\/ol>\n<\/blockquote>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0686\u0646\u062f \u0645\u062b\u0627\u0644 \u0631\u0627 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0628\u0647\u062a\u0631 \u0628\u0641\u0647\u0645\u06cc\u0645 \u0627\u06cc\u0646 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0645\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644\u06cc \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0641\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645 <code>$<\/code> \u0627\u0645\u0636\u0627 \u06a9\u0631\u062f\u0646.  \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0628\u0627 \u0627\u0631\u0632\u0647\u0627 \u0633\u0631 \u0648 \u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0628\u0627\u06cc\u062f \u0639\u0644\u0627\u0645\u062a \u062f\u0644\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0628\u0647 \u062f\u0633\u062a \u0622\u0645\u062f\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u0634\u0648\u062f <code>$<\/code> \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u0631 \u0627\u0632 \u062e\u0648\u062f \u062f\u0631 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0639\u0644\u0627\u0645\u062a \u0628\u0632\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>budget = Template(<span class=\"hljs-string\">'The $time budget for investment is $$$amount'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>budget.substitute(time=<span class=\"hljs-string\">'monthly'<\/span>, amount=<span class=\"hljs-string\">'1,000.00'<\/span>)\n<span class=\"hljs-string\">'The monthly budget for investment is $1,000.00'<\/span>\n<\/code><\/pre>\n<p>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0648 \u0641\u0636\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0628\u06cc\u0646 \u0639\u0644\u0627\u0645\u062a \u0641\u0631\u0627\u0631 \u0648 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0628\u0639\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u0622\u0646\u0686\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u06cc\u0645 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f <code>$$$amount<\/code>.  \u0627\u0644\u06af\u0648\u0647\u0627 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0641\u06cc \u0647\u0648\u0634\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u0622\u0646 \u0641\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f <code>$<\/code> \u062f\u0631\u0633\u062a \u0627\u0645\u0636\u0627 \u06a9\u0646<\/p>\n<p>\u0642\u0627\u0646\u0648\u0646 \u062f\u0648\u0645 \u0627\u0635\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0645\u0639\u062a\u0628\u0631 \u0631\u0627 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0642\u0627\u0644\u0628 \u0645\u0627 \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f.  \u0647\u0631 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0633\u0627\u062e\u062a\u0647 \u0634\u0648\u062f <code>$<\/code> \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0639\u062a\u0628\u0631 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0622\u0646 \u0627\u0633\u062a.  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'$what, $who!'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.substitute(what=<span class=\"hljs-string\">'Hello'<\/span>, who=<span class=\"hljs-string\">'World'<\/span>)\n<span class=\"hljs-string\">'Hello, World!'<\/span>\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0647\u0631 \u062f\u0648 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 (<code>what<\/code> \u0648 <code>who<\/code>).  \u0647\u0645\u0686\u0646\u06cc\u0646 \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0642\u0627\u0646\u0648\u0646 \u062f\u0648\u0645 \u0628\u06cc\u0627\u0646 \u0634\u062f\u060c \u0627\u0648\u0644\u06cc\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631 \u0634\u0646\u0627\u0633\u0647 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0631\u0627 \u062e\u0627\u062a\u0645\u0647 \u0645\u06cc \u062f\u0647\u062f\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u062f <code>$who!<\/code> \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0634\u062e\u0635\u06cc\u062a <code>!<\/code> \u0628\u062e\u0634\u06cc \u0627\u0632 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647 \u0646\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0631\u0627\u06cc\u0637\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0644\u0627\u0632\u0645 \u0628\u0627\u0634\u062f \u062a\u0627 \u062d\u062f\u06cc \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u0645.  \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u06af\u0632\u06cc\u0646\u0647 \u062f\u0648\u0645\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645.  \u0642\u0627\u0646\u0648\u0646 \u0633\u0648\u0645 \u0628\u06cc\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 <code>${identifier}<\/code> \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a \u0628\u0627 <code>$identifier<\/code> \u0648 \u0628\u0627\u06cc\u062f \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f \u06a9\u0647 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u0627\u0632 \u0645\u06a9\u0627\u0646\u200c\u0646\u0645\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0627\u0645\u0627 \u0628\u062e\u0634\u06cc \u0627\u0632 \u062e\u0648\u062f \u062c\u0627\u06cc\u200c\u0628\u0627\u0646 \u0646\u06cc\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0641\u0631\u0636 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u062f\u06a9\u0627\u0631 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062d\u0627\u0648\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062a\u062c\u0627\u0631\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0634\u0631\u06a9\u062a \u062e\u0648\u062f \u062f\u0627\u0631\u06cc\u0645.  \u0646\u0627\u0645 \u0641\u0627\u06cc\u0644 \u0647\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0644\u06af\u0648\u06cc\u06cc \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06a9\u062f \u0645\u062d\u0635\u0648\u0644\u060c \u0646\u0627\u0645 \u0648 \u062f\u0633\u062a\u0647 \u062a\u0648\u0644\u06cc\u062f \u0627\u0633\u062a\u060c \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f \u06a9\u0647 \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0628\u0627 \u062e\u0637 \u0632\u06cc\u0631 \u0627\u0632 \u0647\u0645 \u062c\u062f\u0627 \u0634\u062f\u0647 \u0627\u0646\u062f (<code>_<\/code>) \u0634\u062e\u0635\u06cc\u062a.  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>filename_temp = Template(<span class=\"hljs-string\">'$code_$product_$batch.xlsx'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>filename_temp.substitute(code=<span class=\"hljs-string\">'001'<\/span>, product=<span class=\"hljs-string\">'Apple_Juice'<\/span>, batch=<span class=\"hljs-string\">'zx.001.2020'<\/span>)\nTraceback (most recent call last):\n  ...\nKeyError: <span class=\"hljs-string\">'code_'<\/span>\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 <code>_<\/code> \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a\u060c \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u0645\u0627 \u0622\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc \u0631\u0648\u062f \u06a9\u0627\u0631 \u0646\u0645\u06cc \u06a9\u0646\u062f \u0648 <code>Template<\/code> \u0627\u0644\u0641 \u0631\u0627 \u0628\u0627\u0644\u0627 \u0645\u06cc \u0628\u0631\u062f <code>KeyError<\/code>.  \u0628\u0631\u0627\u06cc \u0631\u0641\u0639 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0646\u0645\u0627\u062f \u067e\u0631\u0627\u0646\u062a\u0632\u06cc (<code>${identifier}<\/code>) \u0648 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0628\u0633\u0627\u0632\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>filename_temp = Template(<span class=\"hljs-string\">'${code}_${product}_$batch.xlsx'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>filename_temp.substitute(code=<span class=\"hljs-string\">'001'<\/span>, product=<span class=\"hljs-string\">'Apple_Juice'<\/span>, batch=<span class=\"hljs-string\">'zx.001.2020'<\/span>)\n<span class=\"hljs-string\">'001_Apple_Juice_zx.001.2020.xlsx'<\/span>\n<\/code><\/pre>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0642\u0627\u0644\u0628 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f!  \u062f\u0644\u06cc\u0644\u0634 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u06cc\u0633 \u0647\u0627 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc \u0645\u0627 \u0631\u0627 \u0627\u0632 \u0647\u0645 \u062c\u062f\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f <code>_<\/code> \u0634\u062e\u0635\u06cc\u062a.  \u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0639\u0644\u0627\u0645\u062a \u067e\u0631\u0627\u0646\u062a\u0632\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>code<\/code> \u0648 <code>product<\/code> \u0648 \u0646\u0647 \u0628\u0631\u0627\u06cc <code>batch<\/code> \u0632\u06cc\u0631\u0627 <code>.<\/code> \u0634\u062e\u0635\u06cc\u062a\u06cc \u06a9\u0647 \u062f\u0646\u0628\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f <code>batch<\/code> \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u062f\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u062f <code>template<\/code> \u062f\u0627\u0631\u0627\u06cc\u06cc \u0646\u0645\u0648\u0646\u0647  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u062f\u0648\u0628\u0627\u0631\u0647 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 <code>Hello, World!<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u0627\u0631 \u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u06cc\u0645 <code>template<\/code> \u06a9\u0645\u06cc:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'$what, $who!'<\/span>)  \n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.template = <span class=\"hljs-string\">'My $what, $who template'<\/span>  \n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.template\n<span class=\"hljs-string\">'My $what, $who template'<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.substitute(what=<span class=\"hljs-string\">'Hello'<\/span>, who=<span class=\"hljs-string\">'World'<\/span>)\n<span class=\"hljs-string\">'My Hello, World template'<\/span>\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0631\u0627 \u0645\u062d\u062f\u0648\u062f \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc\u0645\u0627\u0646 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0631\u0648\u0634 \u0645\u0639\u0645\u0648\u0644 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0646\u06cc\u0633\u062a <code>Template<\/code> \u06a9\u0644\u0627\u0633<\/p>\n<p>\u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0627\u0632 <code>Template<\/code> \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0634\u062a\u0647 \u0642\u0627\u0644\u0628 \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u06a9\u0647 \u062f\u0631 \u06a9\u062f \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u0632 \u0628\u0631\u062e\u06cc \u0628\u0627\u06af\u200c\u0647\u0627\u06cc \u0638\u0631\u06cc\u0641 \u0648 \u06cc\u0627\u0641\u062a\u0646 \u0633\u062e\u062a \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0627\u0644\u06af\u0648\u06cc \u0646\u0627\u0645\u0634\u062e\u0635 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n<h3 id=\"thesubstitutemethod\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%aa%d8%af_substitute\"><\/span>\u0645\u062a\u062f ()substitute<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0627 \u06a9\u0646\u0648\u0646\u060c \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <code>substitute()<\/code> \u0631\u0648\u0634 \u0631\u0648\u06cc \u0622 <code>Template<\/code> \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062a\u0639\u0648\u06cc\u0636 \u0631\u0634\u062a\u0647.  \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u06cc\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0642\u0634\u0647\u200c\u0628\u0631\u062f\u0627\u0631\u06cc \u062d\u0627\u0648\u06cc \u062c\u0641\u062a\u200c\u0647\u0627\u06cc \u0634\u0646\u0627\u0633\u0647-\u0645\u0642\u062f\u0627\u0631\u060c \u062c\u0627\u06cc\u200c\u0628\u0627\u0646\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0648\u0627\u0698\u0647 \u06cc\u0627 \u0634\u0646\u0627\u0633\u0647\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0646\u06af\u0627\u0634\u062a \u0628\u0627\u06cc\u062f \u0628\u0627 \u0634\u0646\u0627\u0633\u0647\u200c\u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u06a9\u0627\u0646\u200c\u0646\u0645\u0627\u0647\u0627 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.  \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0647\u0631 \u0646\u0648\u0639 \u067e\u0627\u06cc\u062a\u0648\u0646\u06cc \u0628\u0627\u0634\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0647 \u0631\u0634\u062a\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u0646\u062f.<\/p>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0648\u0627\u0698\u0647 \u0631\u0627 \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u0645\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'Hi $name, welcome to $site'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>mapping = {<span class=\"hljs-string\">'name'<\/span>: <span class=\"hljs-string\">'John Doe'<\/span>, <span class=\"hljs-string\">'site'<\/span>: <span class=\"hljs-string\">'rasanegar.com'<\/span>}\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.substitute(**mapping)\n<span class=\"hljs-string\">'Hi John Doe, welcome to rasanegar.com'<\/span>\n<\/code><\/pre>\n<p>\u0648\u0642\u062a\u06cc \u0627\u0632 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0628\u0627 <code>substitute()<\/code>\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 \u0628\u0627\u0632\u06af\u0634\u0627\u06cc\u06cc \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645: <code>**<\/code>.  \u0627\u06cc\u0646 \u0639\u0645\u0644\u06af\u0631 \u062c\u0641\u062a\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0627\u0632 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u062c\u0627\u06cc\u200c\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0645\u0646\u0637\u0628\u0642 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<h3 id=\"commontemplateerrors\"><span class=\"ez-toc-section\" id=\"%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%d8%b1%d8%a7%db%8c%d8%ac_%d9%82%d8%a7%d9%84%d8%a8\"><\/span>\u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0642\u0627\u0644\u0628<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u062e\u06cc \u0627\u0632 \u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0637\u0648\u0631 \u0646\u0627\u062e\u0648\u0627\u0633\u062a\u0647 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0646\u06cc\u0645 <code>Template<\/code> \u06a9\u0644\u0627\u0633<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0644\u0641 <code>KeyError<\/code> \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0646\u0627\u0642\u0635 \u0627\u0632 \u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u0631\u0627\u0626\u0647 \u06a9\u0646\u06cc\u0645 \u0645\u0637\u0631\u062d \u0645\u06cc \u0634\u0648\u062f <code>substitute()<\/code>.  \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0646\u0627\u0642\u0635 \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'Hi $name, welcome to $site'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.substitute(name=<span class=\"hljs-string\">'Jane Doe'<\/span>)\nTraceback (most recent call last):\n  ...\nKeyError: <span class=\"hljs-string\">'site'<\/span>\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0632\u0646\u06af \u0628\u0632\u0646\u06cc\u0645 <code>substitute()<\/code> \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627 \u0647\u0645\u0647 \u062c\u0627\u06cc\u200c\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648\u06cc \u0645\u0627 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u062f\u060c \u06cc\u06a9 <code>KeyError<\/code>.<\/p>\n<p>\u0627\u06af\u0631 \u0627\u0632 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 <code>ValueError<\/code> \u0628\u0647 \u0645\u0627 \u0645\u06cc \u06af\u0648\u06cc\u062f \u06a9\u0647 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u0646\u0627\u062f\u0631\u0633\u062a \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0632 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c <code>$0name<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062c\u0627\u0646\u0634\u06cc\u0646 \u0628\u0647 \u062c\u0627\u06cc <code>$name<\/code>.<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'Hi $0name, welcome to $site'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.substitute(name=<span class=\"hljs-string\">'Jane Doe'<\/span>, site=<span class=\"hljs-string\">'rasanegar.com'<\/span>)\nTraceback (most recent call last):\n  ...\nValueError: Invalid placeholder <span class=\"hljs-keyword\">in<\/span> string: line <span class=\"hljs-number\">1<\/span>, col <span class=\"hljs-number\">4<\/span>\n<\/code><\/pre>\n<p>\u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 <code>Template<\/code> \u0634\u06cc\u0621 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0631\u0627 \u0645\u06cc \u062e\u0648\u0627\u0646\u062f \u062a\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f \u06a9\u0647 \u0634\u0646\u0627\u0633\u0647 \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0631\u0627 \u06a9\u0634\u0641 \u06a9\u0646\u062f.  \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u0627\u0644\u0641 \u0631\u0627 \u0628\u0627\u0644\u0627 \u0645\u06cc \u0628\u0631\u062f <code>ValueError<\/code>.  \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 <code>0name<\/code> \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u06cc\u0627 \u0646\u0627\u0645 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0639\u062a\u0628\u0631 \u0646\u06cc\u0633\u062a \u0632\u06cc\u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0631\u0642\u0645 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<h3 id=\"thesafe_substitutemethod\"><span class=\"ez-toc-section\" id=\"%d8%b1%d9%88%d8%b4_safe_substitute\"><\/span>\u0631\u0648\u0634 safe_substitute()<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0645\u062a\u062f \u062f\u0648\u0645\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u062a\u0639\u0648\u06cc\u0636 \u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.  \u0631\u0648\u0634 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>safe_substitute()<\/code>.  \u0628\u0647 \u0637\u0648\u0631 \u0645\u0634\u0627\u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f <code>substitute()<\/code> \u0627\u0645\u0627 \u0648\u0642\u062a\u06cc \u0627\u0632 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0646\u0627\u0642\u0635 \u06cc\u0627 \u063a\u06cc\u0631 \u0645\u0646\u0637\u0628\u0642 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u062a\u062f a \u0628\u0627\u0644\u0627 \u0646\u0645\u06cc \u0631\u0648\u062f <code>KeyError<\/code>.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a\u060c \u0645\u06a9\u0627\u0646\u200c\u0646\u0645\u0627\u06cc \u0645\u0641\u0642\u0648\u062f \u06cc\u0627 \u063a\u06cc\u0631 \u0645\u0646\u0637\u0628\u0642 \u062f\u0631 \u0631\u0634\u062a\u0647 \u0646\u0647\u0627\u06cc\u06cc \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0638\u0627\u0647\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0686\u06af\u0648\u0646\u06af\u06cc \u0622\u0646 \u0627\u0633\u062a <code>safe_substitute()<\/code> \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0646\u0627\u0642\u0635 \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f (<code>site<\/code> \u06af\u0645 \u0645\u06cc \u0634\u0648\u062f):<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'Hi $name, welcome to $site'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template.safe_substitute(name=<span class=\"hljs-string\">'John Doe'<\/span>)\n<span class=\"hljs-string\">'Hi John Doe, welcome to $site'<\/span>\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0645\u0634\u062a \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 <code>safe_substitute()<\/code> \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0646\u0627\u0642\u0635 \u0627\u0632 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627  \u0631\u0634\u062a\u0647 \u0628\u0647 \u062f\u0633\u062a \u0622\u0645\u062f\u0647 \u062d\u0627\u0648\u06cc \u0645\u062d\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0627\u0635\u0644\u06cc \u0627\u0633\u062a <code>$site<\/code>\u060c \u0627\u0645\u0627 \u0646\u0647 <code>KeyError<\/code> \u0638\u0647\u0648\u0631 \u06a9\u0631\u062f\u0647.<\/p>\n<h2 id=\"customizingthepythontemplateclass\"><span class=\"ez-toc-section\" id=\"%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%da%a9%d8%b1%d8%af%d9%86_%da%a9%d9%84%d8%a7%d8%b3_%d9%82%d8%a7%d9%84%d8%a8_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0631\u062f\u0646 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0628\u0646\u062f\u06cc \u0648 \u0633\u0641\u0627\u0631\u0634\u06cc \u0633\u0627\u0632\u06cc \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u0648 \u0633\u0627\u06cc\u0631 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0622\u0648\u0631\u062f\u0646 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0627\u0635 \u062e\u0648\u062f \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634\u060c \u0631\u0648\u0634 \u0633\u0641\u0627\u0631\u0634\u06cc \u0633\u0627\u0632\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u0647\u0645 \u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0648 \u0686\u06af\u0648\u0646\u06af\u06cc \u062a\u0623\u062b\u06cc\u0631 \u0622\u0646 \u0628\u0631 \u0631\u0641\u062a\u0627\u0631 \u0639\u0645\u0648\u0645\u06cc \u0645\u0627 \u0631\u0627 \u067e\u0648\u0634\u0634 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f. <code>Template<\/code> \u0627\u0634\u06cc\u0627\u0621.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc class \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645 <code>.delimiter<\/code>.<\/p>\n<h3 id=\"usingadifferentdelimiter\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%ac%d8%af%d8%a7%da%a9%d9%86%d9%86%d8%af%d9%87_%d9%85%d8%aa%d9%81%d8%a7%d9%88%d8%aa\"><\/span>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0645\u062a\u0641\u0627\u0648\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0648\u06cc\u0698\u06af\u06cc \u06a9\u0644\u0627\u0633 <code>delimiter<\/code> \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0634\u0631\u0648\u0639 \u0645\u06a9\u0627\u0646\u200c\u062f\u0627\u0631 \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062a\u0627 \u06a9\u0646\u0648\u0646 \u062f\u06cc\u062f\u0647 \u0627\u06cc\u0645\u060c \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0622\u0646 \u0627\u0633\u062a <code>$<\/code>.<\/p>\n<p>\u0627\u0632 \u0632\u0645\u0627\u0646 \u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0648\u0631\u0627\u062b\u062a \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 <code>Template<\/code> \u0648 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f <code>delimiter<\/code> \u0628\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0646 \u0622\u0646.  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0646\u06af\u0627\u0647\u06cc \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0644\u063a\u0648 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>#<\/code> \u0628\u062c\u0627\u06cc <code>$<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> string <span class=\"hljs-keyword\">import<\/span> Template\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MyTemplate<\/span>(<span class=\"hljs-params\">Template<\/span>):<\/span>\n    delimiter = <span class=\"hljs-string\">'#'<\/span>\n\ntemplate = MyTemplate(<span class=\"hljs-string\">'Hi #name, welcome to #site'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(template.substitute(name=<span class=\"hljs-string\">'Jane Doe'<\/span>, site=<span class=\"hljs-string\">'rasanegar.com'<\/span>))\n\n\n\n\n\ntag = MyTemplate(<span class=\"hljs-string\">'This is a Twitter hashtag: ###hashtag'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(tag.substitute(hashtag=<span class=\"hljs-string\">'Python'<\/span>))\n\n\n\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>MyTemplate<\/code> \u06a9\u0644\u0627\u0633 \u062f\u0631\u0633\u062a \u0645\u062b\u0644 \u0645\u0627 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>Template<\/code> \u06a9\u0644\u0627\u0633  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>#<\/code> \u0628\u062c\u0627\u06cc <code>$<\/code> \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06a9\u0627\u0646\u200c\u062f\u0627\u0631\u0647\u0627\u06cc \u062e\u0648\u062f  \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0627 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0646\u0634\u0627\u0646\u0647 \u0647\u0627\u06cc \u062f\u0644\u0627\u0631 \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0627 \u0627\u0631\u0632\u0647\u0627 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645.<\/p>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/strong>: \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0646 <strong>\u0646\u0647<\/strong> \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 a <code>delimiter<\/code> \u0628\u0627 \u06cc\u06a9 \u0628\u06cc\u0627\u0646 \u0645\u0646\u0638\u0645  \u06a9\u0644\u0627\u0633 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u0632 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0641\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06af\u0631 \u0627\u0632 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 as \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>delimiter<\/code> \u0628\u0633\u06cc\u0627\u0631 \u0645\u062d\u062a\u0645\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0633\u0641\u0627\u0631\u0634 \u0645\u0627 <code>Template<\/code> \u062f\u0631\u0633\u062a \u06a9\u0627\u0631 \u0646\u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f<\/p>\n<h3 id=\"changingwhatqualifiesasanidentifier\"><span class=\"ez-toc-section\" id=\"%d8%aa%d8%ba%db%8c%db%8c%d8%b1_%d8%a2%d9%86%da%86%d9%87_%d8%a8%d9%87_%d8%b9%d9%86%d9%88%d8%a7%d9%86_%db%8c%da%a9_%d8%b4%d9%86%d8%a7%d8%b3%d9%87_%d9%88%d8%a7%d8%ac%d8%af_%d8%b4%d8%b1%d8%a7%db%8c%d8%b7_%d8%a7%d8%b3%d8%aa\"><\/span>\u062a\u063a\u06cc\u06cc\u0631 \u0622\u0646\u0686\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0627\u0633\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 <code>idpattern<\/code> \u0635\u0641\u062a class \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0628\u062e\u0634\u06cc \u0628\u0647 \u0646\u06cc\u0645\u0647 \u062f\u0648\u0645 \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631\u060c <code>idpattern<\/code> \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0647\u0633\u062a\u0646\u062f.  \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0632 <code>idpattern<\/code> \u0627\u0633\u062a <code>r'(?-i:(_a-zA-Z)(_a-zA-Z0-9)*)'<\/code>.<\/p>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 <code>Template<\/code> \u0648 \u0627\u0632 \u0627\u0644\u06af\u0648\u06cc \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u062e\u0648\u062f\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>idpattern<\/code>.  \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0634\u0646\u0627\u0633\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06cc\u06a9 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0632\u06cc\u0631\u062e\u0637 \u0646\u062f\u0627\u0631\u0646\u062f (<code>_<\/code>) \u0648 \u0646\u0647 \u0627\u0631\u0642\u0627\u0645 (<code>(0-9)<\/code>).  \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0644\u063a\u0648 \u06a9\u0646\u06cc\u0645 <code>idpattern<\/code> \u0648 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0632 \u0627\u0644\u06af\u0648 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> string <span class=\"hljs-keyword\">import<\/span> Template\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MyTemplate<\/span>(<span class=\"hljs-params\">Template<\/span>):<\/span>\n    idpattern = <span class=\"hljs-string\">r'(?-i:(a-zA-Z)(a-zA-Z)*)'<\/span>\n\n\ntemplate = MyTemplate(<span class=\"hljs-string\">'$name_underscore not allowed'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(template.substitute(name_underscore=<span class=\"hljs-string\">'Jane Doe'<\/span>))\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0628\u0627 \u0627\u06cc\u0646 \u062e\u0637\u0627 \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0634\u062f:<\/p>\n<pre><code class=\"hljs\">Traceback (most recent call last):\n    ...\nKeyError: 'name'\n<\/code><\/pre>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0627\u0631\u0642\u0627\u0645 \u0646\u06cc\u0632 \u0645\u062c\u0627\u0632 \u0646\u06cc\u0633\u062a\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">template = MyTemplate(<span class=\"hljs-string\">'$python3 digits not allowed'<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(template.substitute(python3=<span class=\"hljs-string\">'Python version 3.x'<\/span>))\n<\/code><\/pre>\n<p>\u062e\u0637\u0627 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">Traceback (most recent call last):\n    ...\nKeyError: 'python'\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u062e\u0637 \u0648 \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u0633\u0641\u0627\u0631\u0634 \u0645\u0627 \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a <code>idpattern<\/code>\u060c <code>Template<\/code> \u0634\u06cc \u0642\u0627\u0646\u0648\u0646 \u062f\u0648\u0645 \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u067e\u0633 \u0627\u0632 \u0622\u0646\u060c \u0645\u06a9\u0627\u0646 \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0648\u0644\u06cc\u0646 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631 \u0634\u0646\u0627\u0633\u0647 \u0645\u06cc \u0634\u06a9\u0646\u062f <code>$<\/code>.  \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u06cc\u06a9 <code>KeyError<\/code> \u062f\u0631 \u0647\u0631 \u0645\u0648\u0631\u062f.<\/p>\n<h3 id=\"buildingadvancedtemplatesubclasses\"><span class=\"ez-toc-section\" id=\"%d8%b3%d8%a7%d8%ae%d8%aa_%d8%b2%db%8c%d8%b1_%da%a9%d9%84%d8%a7%d8%b3_%d9%87%d8%a7%db%8c_%d8%a7%d9%84%da%af%d9%88%db%8c_%d9%be%db%8c%d8%b4%d8%b1%d9%81%d8%aa%d9%87\"><\/span>\u0633\u0627\u062e\u062a \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0644\u06af\u0648\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0631\u0627\u06cc\u0637\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0631\u0641\u062a\u0627\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u06cc\u0645 <code>Template<\/code> \u06a9\u0644\u0627\u0633\u060c \u0627\u0645\u0627 \u0645\u0647\u0645 \u0627\u0633\u062a <code>delimiter<\/code>\u060c <code>idpattern<\/code>\u060c \u06cc\u0627 \u0647\u0631 \u062f\u0648 \u06a9\u0627\u0641\u06cc \u0646\u06cc\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062c\u0644\u0648\u062a\u0631 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0622\u0646 \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0628\u06af\u06cc\u0631\u06cc\u0645 <code>pattern<\/code> \u0648\u06cc\u0698\u06af\u06cc class \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u06a9\u0627\u0645\u0644\u0627\u064b \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0645\u0627 <code>Template<\/code> \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627<\/p>\n<p>\u0627\u06af\u0631 \u062a\u0635\u0645\u06cc\u0645 \u062f\u0627\u0631\u06cc\u062f \u0627\u0632 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u06a9\u0627\u0645\u0644\u0627 \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc <code>pattern<\/code>\u060c \u0633\u067e\u0633 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u0628\u0627 \u0686\u0647\u0627\u0631 \u06af\u0631\u0648\u0647 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f:<\/p>\n<ol>\n<li><code>escaped<\/code>  \u0628\u0627 \u062a\u0648\u0627\u0644\u06cc \u0641\u0631\u0627\u0631 \u0628\u0631\u0627\u06cc \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f\u060c \u0645\u0627\u0646\u0646\u062f in <code>$$<\/code><\/li>\n<li><code>named<\/code>  \u0628\u0627 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0648 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f\u060c \u0645\u0627\u0646\u0646\u062f in <code>$identifier<\/code><\/li>\n<li><code>braced<\/code>  \u0645\u0646\u0637\u0628\u0642 \u0628\u0631 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0648 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0631\u06cc\u0633\u200c\u0647\u0627\u060c \u0645\u0627\u0646\u0646\u062f in <code>${identifier}<\/code><\/li>\n<li><code>invalid<\/code>  \u0645\u0646\u0637\u0628\u0642 \u0628\u0627 \u0633\u0627\u06cc\u0631 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u062f \u0634\u06a9\u0644\u060c \u0645\u0627\u0646\u0646\u062f in <code>$0site<\/code><\/li>\n<\/ol>\n<p>\u0627\u06cc\u0646 <code>pattern<\/code> \u0648\u06cc\u0698\u06af\u06cc \u06cc\u06a9 \u0634\u06cc \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0634\u062f\u0647 \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0631\u0634\u062a\u0647 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u0627\u0635\u0644\u06cc \u0631\u0627 \u0628\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0622\u0646 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f <code>pattern<\/code> \u0648\u06cc\u0698\u06af\u06cc \u0627\u0632 <code>pattern<\/code> \u0648\u06cc\u0698\u06af\u06cc.  \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'$name'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">print<\/span>(template.pattern.pattern)\n\\$(?:\n    (?P&lt;escaped&gt;\\$) |   \n    (?P&lt;named&gt;(?-i:(_a-zA-Z)(_a-zA-Z0-<span class=\"hljs-number\">9<\/span>)*))      |   \n    {(?P&lt;braced&gt;(?-i:(_a-zA-Z)(_a-zA-Z0-<span class=\"hljs-number\">9<\/span>)*))}   |   \n    (?P&lt;invalid&gt;)              \n  )\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06a9\u062f \u0631\u0634\u062a\u0647 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0631\u0627 \u062e\u0631\u0648\u062c\u06cc \u0645\u06cc \u062f\u0647\u062f <code>pattern<\/code> \u0648\u06cc\u0698\u06af\u06cc \u06a9\u0644\u0627\u0633  \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0648\u0636\u0648\u062d \u0686\u0647\u0627\u0631 \u06af\u0631\u0648\u0647 \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0628\u0627 \u0639\u0628\u0627\u0631\u062a \u0645\u0646\u0638\u0645 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627 \u06af\u0641\u062a\u0647 \u0634\u062f\u060c \u0627\u06af\u0631 \u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0634\u062e\u0635\u06cc \u0633\u0627\u0632\u06cc \u0639\u0645\u06cc\u0642 \u0631\u0641\u062a\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 <code>Template<\/code>\u060c \u0633\u067e\u0633 \u0628\u0627\u06cc\u062f \u0647\u0645\u06cc\u0646 \u0686\u0647\u0627\u0631 \u06af\u0631\u0648\u0647 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u0647\u0631 \u06af\u0631\u0648\u0647 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u0645.<\/p>\n<h2 id=\"runningcodewithevalandexec\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%ac%d8%b1%d8%a7%db%8c_%da%a9%d8%af_%d8%a8%d8%a7_eval_%d9%88_exec\"><\/span>\u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u0628\u0627 eval() \u0648 exec()<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> <em>\u062a\u0648\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc <code>eval()<\/code> \u0648 <code>exec()<\/code> \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0628\u0627 \u0648\u0631\u0648\u062f\u06cc \u0645\u062e\u0631\u0628 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u06cc\u0627\u0645\u062f\u0647\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a\u06cc \u0645\u0647\u0645\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.  \u0628\u0627 \u0627\u062d\u062a\u06cc\u0627\u0637 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f!<\/em><\/p>\n<p>\u0627\u06cc\u0646 \u0628\u062e\u0634 \u0622\u062e\u0631 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u0686\u0634\u0645\u0627\u0646 \u0634\u0645\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0631\u0648\u06cc \u0686\u0642\u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0634\u062f \u0627\u06af\u0631 \u0627\u0632 \u0622\u0646 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0627\u0646\u0646\u062f <code>eval()<\/code> \u0648 <code>exec()<\/code>.<\/p>\n<p>\u0627\u06cc\u0646 <code>eval()<\/code> \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0646\u062a\u06cc\u062c\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0627\u06cc\u0646 <code>exec()<\/code> \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0646\u06cc\u0632 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0647\u0631\u06af\u0632 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0631\u0627 \u0628\u0631 \u0646\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0634\u0645\u0627 \u0645\u0639\u0645\u0648\u0644\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f <code>exec()<\/code> \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0647 \u0627\u062b\u0631\u0627\u062a \u062c\u0627\u0646\u0628\u06cc \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0639\u0644\u0627\u0642\u0647 \u062f\u0627\u0631\u06cc\u062f\u060c \u0645\u062b\u0644\u0627\u064b \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0645\u062a\u063a\u06cc\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u06cc\u0627\u0641\u062a\u0647.<\/p>\n<p>\u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0648\u0634\u0634 \u062f\u0647\u06cc\u0645 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062a\u0627 \u062d\u062f\u0648\u062f\u06cc \u063a\u06cc\u0631 \u0645\u062a\u0639\u0627\u0631\u0641 \u0628\u0647 \u0646\u0638\u0631 \u0628\u0631\u0633\u0646\u062f\u060c \u0627\u0645\u0627 \u0645\u0627 \u0645\u0637\u0645\u0626\u0646 \u0647\u0633\u062a\u06cc\u0645 \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062c\u0627\u0644\u0628\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u062a\u0631\u06a9\u06cc\u0628 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.  \u0622\u0646\u0647\u0627 \u0628\u06cc\u0646\u0634\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0631\u0648\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u06a9\u062f \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0645\u06cc \u062f\u0647\u0646\u062f!<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644 \u0627\u0648\u0644\u060c \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0627\u0632 \u06cc\u06a9 \u0627\u0644\u06af\u0648 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>eval()<\/code> \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u067e\u0648\u06cc\u0627 \u0644\u06cc\u0633\u062a \u0647\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0631\u06a9 \u0644\u06cc\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>template = Template(<span class=\"hljs-string\">'($exp for item in $coll)'<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">eval<\/span>(template.substitute(exp=<span class=\"hljs-string\">'item ** 2'<\/span>, coll=<span class=\"hljs-string\">'(1, 2, 3, 4)'<\/span>))\n(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">9<\/span>, <span class=\"hljs-number\">16<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">eval<\/span>(template.substitute(exp=<span class=\"hljs-string\">'2 ** item'<\/span>, coll=<span class=\"hljs-string\">'(3, 4, 5, 6, 7, 8)'<\/span>))\n(<span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">16<\/span>, <span class=\"hljs-number\">32<\/span>, <span class=\"hljs-number\">64<\/span>, <span class=\"hljs-number\">128<\/span>, <span class=\"hljs-number\">256<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-keyword\">import<\/span> math\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">eval<\/span>(template.substitute(expression=<span class=\"hljs-string\">'math.sqrt(item)'<\/span>, collection=<span class=\"hljs-string\">'(9, 16, 25)'<\/span>))\n(<span class=\"hljs-number\">3.0<\/span>, <span class=\"hljs-number\">4.0<\/span>, <span class=\"hljs-number\">5.0<\/span>)\n<\/code><\/pre>\n<p>\u0634\u06cc \u0627\u0644\u06af\u0648\u06cc \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0646\u062d\u0648 \u0627\u0635\u0644\u06cc \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0631\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062f\u0627\u0631\u062f.  \u0628\u0627 \u0634\u0631\u0648\u0639 \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u0648\u06cc\u0627 \u0644\u06cc\u0633\u062a\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0631\u062f\u0646 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u06a9\u0627\u0646 \u0628\u0627 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0639\u062a\u0628\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 (<code>exp<\/code>) \u0648 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 (<code>coll<\/code>).  \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0622\u062e\u0631\u060c \u062f\u0631\u06a9 \u0645\u0637\u0644\u0628 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>eval()<\/code>.<\/p>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u0631\u0648\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0642\u0627\u0644\u0628 \u0645\u0627 \u0686\u0642\u062f\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0642\u0627\u0644\u0628\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f \u06a9\u0647 \u0647\u0631 \u0642\u0637\u0639\u0647 \u06a9\u062f \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u062c\u0627\u06cc \u062f\u0647\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645 <code>Template<\/code> \u0634\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0644 \u06a9\u0644\u0627\u0633:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> string <span class=\"hljs-keyword\">import<\/span> Template\n\n_class_template = <span class=\"hljs-string\">\"\"\"\nclass ${klass}:\n    def __init__(self, name):\n        self.name = name\n\n    def ${method}(self):\n        print('Hi', self.name + ',', 'welcome to', '$site')\n\"\"\"<\/span>\n\ntemplate = Template(_class_template)\n<span class=\"hljs-built_in\">exec<\/span>(template.substitute(klass=<span class=\"hljs-string\">'MyClass'<\/span>,\n                         method=<span class=\"hljs-string\">'greet'<\/span>,\n                         site=<span class=\"hljs-string\">'rasanegar.com'<\/span>))\n\nobj = MyClass(<span class=\"hljs-string\">\"John Doe\"<\/span>)\nobj.greet()\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u062a\u0648\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0628\u0639\u062f\u0627\u064b \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u0627 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0627\u0632 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c <code>exec()<\/code> \u06a9\u0644\u0627\u0633 \u0648\u0627\u0642\u0639\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0641\u0636\u0627\u06cc \u0646\u0627\u0645 \u0641\u0639\u0644\u06cc \u0645\u0627 \u0645\u06cc \u0622\u0648\u0631\u062f.  \u0627\u0632 \u0627\u06cc\u0646 \u0646\u0642\u0637\u0647 \u0631\u0648\u06cc\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0632\u0627\u062f\u0627\u0646\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0645\u0627\u0646\u0646\u062f \u0647\u0631 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u06af\u0631\u0686\u0647 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u200c\u0647\u0627 \u0646\u0633\u0628\u062a\u0627\u064b \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u06a9\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0686\u0642\u062f\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0634\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 \u06cc\u0627 \u062f\u0631\u0648\u0646 \u06cc\u0627\u0628\u06cc \u0631\u0634\u062a\u0647 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.  \u06a9\u0644\u0627\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u0646\u0638\u0645 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631 \u067e\u0633\u0646\u062f \u0648 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0648\u0642\u062a\u06cc \u0635\u062d\u0628\u062a \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0631\u0634\u062a\u0647 \u062f\u0627\u062e\u0644\u06cc \u0627\u0633\u062a.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0648\u0634 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u0645 <code>Template<\/code> \u06a9\u0627\u0631\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633\u06cc  \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u062e\u0637\u0627\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0646\u06cc\u0645 \u0622\u0634\u0646\u0627 \u0634\u062f\u06cc\u0645 <code>Template<\/code> \u0648 \u0631\u0648\u0634 \u06a9\u0627\u0631 \u062f\u0631 \u0627\u0637\u0631\u0627\u0641 \u0622\u0646\u0647\u0627  \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0631\u0648\u0634 \u0633\u0641\u0627\u0631\u0634\u06cc \u0633\u0627\u0632\u06cc \u06a9\u0644\u0627\u0633 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633\u06cc\u0646\u06af \u0648 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06a9\u062f \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u06cc\u0645.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062f\u0627\u0646\u0634 \u062f\u0631 \u062f\u0633\u062a\u060c \u0645\u0627 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0628\u0647\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u0648\u062b\u0631 \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0647\u0633\u062a\u06cc\u0645 <code>Template<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0631\u0648\u0646 \u06cc\u0627\u0628\u06cc \u06cc\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 \u062f\u0631 \u06a9\u062f \u0645\u0627.<\/p>\n<\/div>\n<p><script>\n                        !function(f,b,e,v,n,t,s)\n                        {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n                        n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n                        if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n                        n.queue=();t=b.createElement(e);t.async=!0;\n                        t.src=v;s=b.getElementsByTagName(e)(0);\n                        s.parentNode.insertBefore(t,s)}(window, document,'script',\n                        'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n                        fbq('init', '525232124909042');\n                        fbq('track', 'PageView');\n                    <\/script>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0647 \u062a\u0631\u062c\u0645\u0647)# python<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-18 06:36:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;15884&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0642\u0627\u0644\u0628 \u0628\u0646\u062f\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0627 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0644\u0628 \u067e\u0627\u06cc\u062a\u0648\u0646&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 12<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0628\u0627 \u0627\u0644\u06af\u0648\u0647\u0627\u060c \u0645\u0627 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0628\u0633\u06cc\u0627\u0631 \u0642\u0627\u0628\u0644 \u062a\u0646\u0638\u06cc\u0645 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 (\u06cc\u0627 \u062f\u0631\u0648\u0646 \u06cc\u0627\u0628\u06cc \u0631\u0634\u062a\u0647) \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645. \u067e\u0627\u06cc\u062a\u0648\u0646 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 f-strings \u06a9\u0647 \u0627\u062e\u06cc\u0631\u0627\u064b \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743,620],"tags":[1749,1748,1754,1751,1779,2068,1744,2285,1755,2600,2738,1765],"class_list":["post-15884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-programming","tag-python","tag-python-hosting","tag-1754","tag-1751","tag-1779","tag-2068","tag-1744","tag-2285","tag-1755","tag-2600","tag-2738","tag-1765"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=15884"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15884\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9398"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=15884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=15884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=15884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}