{"id":15948,"date":"2024-01-19T00:22:27","date_gmt":"2024-01-18T20:52:27","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/"},"modified":"2024-01-19T00:22:27","modified_gmt":"2024-01-18T20:52:27","slug":"%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/","title":{"rendered":"\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u062e\u0644\u0627\u0642\u0627\u0646\u0647 \u062f\u0631 \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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%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-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%da%a9%d8%a7%d8%b1%d8%ae%d8%a7%d9%86%d9%87\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%da%a9%d8%a7%d8%b1%d8%ae%d8%a7%d9%86%d9%87_%d8%a7%d9%86%d8%aa%d8%b2%d8%a7%d8%b9%db%8c\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc<\/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\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%b3%d8%a7%d8%b2%d9%86%d8%af%d9%87\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0633\u0627\u0632\u0646\u062f\u0647<\/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\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%a7%d9%88%d9%84%db%8c%d9%87\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0648\u0644\u06cc\u0647<\/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\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_singleton\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc Singleton<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%a7%d8%b3%d8%aa%d8%ae%d8%b1_%d8%a2%d8%a8%d8%ac%da%a9%d8%aa\" >\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0633\u062a\u062e\u0631 \u0622\u0628\u062c\u06a9\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d9%84%da%af%d9%88%d9%87%d8%a7%db%8c-%d8%b7%d8%b1%d8%a7%d8%ad%db%8c-%d8%ae%d9%84%d8%a7%d9%82%d8%a7%d9%86%d9%87-%d8%af%d8%b1-%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<h3 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><\/h3>\n<p><em>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u062e\u0644\u0627\u0642\u0627\u0646\u0647<\/em>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0622\u0646 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0644\u0627\u0633 \u0647\u0627 \u06cc\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0633\u0631\u0648\u06a9\u0627\u0631 \u062f\u0627\u0631\u062f.  \u0622\u0646\u0647\u0627 \u0628\u0647 \u0627\u0646\u062a\u0632\u0627\u0639 \u06a9\u0631\u062f\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u0646\u062f \u062a\u0627 \u06a9\u0645\u062a\u0631 \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u0631\u0648\u06cc \u0627\u062c\u0631\u0627\u06cc \u062f\u0642\u06cc\u0642 \u0622\u0646\u0647\u0627\u060c \u06cc\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u06a9\u0647 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u06cc\u0645 \u0645\u062c\u0628\u0648\u0631 \u0646\u0628\u0627\u0634\u06cc\u0645 \u0628\u0627 \u0633\u0627\u062e\u062a \u0648 \u0633\u0627\u0632\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0633\u0631 \u0648 \u06a9\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u06cc\u0627 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u0632 \u0628\u0631\u062e\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u062e\u0627\u0635 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0633\u0637\u062d \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0628\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0627 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u06a9\u0646\u062a\u0631\u0644 \u0631\u0648\u0634 \u062a\u0639\u0627\u0645\u0644 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0627 \u0622\u0646\u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<h3 id=\"factorydesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%da%a9%d8%a7%d8%b1%d8%ae%d8%a7%d9%86%d9%87\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u0631\u06a9\u062a \u0628\u06cc\u0645\u0647 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0627\u0641\u0631\u0627\u062f\u06cc \u06a9\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u062a\u0645\u0627\u0645 \u0648\u0642\u062a \u0645\u0634\u063a\u0648\u0644 \u0628\u0647 \u06a9\u0627\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u06cc\u0645\u0647 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0634\u0645\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0633\u0627\u062e\u062a\u0647 \u0627\u06cc\u062f <code>Worker<\/code>.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u0634\u062a\u0631\u06cc \u062a\u0635\u0645\u06cc\u0645 \u0628\u0647 \u06af\u0633\u062a\u0631\u0634 \u06a9\u0633\u0628 \u0648 \u06a9\u0627\u0631 \u062e\u0648\u062f \u06af\u0631\u0641\u062a \u0648 \u0627\u06a9\u0646\u0648\u0646 \u062e\u062f\u0645\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0627\u0641\u0631\u0627\u062f \u0628\u06cc\u06a9\u0627\u0631 \u0646\u06cc\u0632 \u0627\u0631\u0627\u0626\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f\u060c \u0627\u0645\u0627 \u0628\u0627 \u0631\u0648\u06cc\u0647 \u0647\u0627 \u0648 \u0634\u0631\u0627\u06cc\u0637 \u0645\u062a\u0641\u0627\u0648\u062a.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u06a9\u0627\u0645\u0644\u0627\u064b \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u0627\u0641\u0631\u0627\u062f \u0628\u06cc\u06a9\u0627\u0631 \u0628\u0633\u0627\u0632\u06cc\u062f \u06a9\u0647 \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0645\u06cc \u06af\u06cc\u0631\u062f!  \u0627\u0645\u0627 \u0627\u06a9\u0646\u0648\u0646 \u0646\u0645\u06cc \u062f\u0627\u0646\u06cc\u062f \u06a9\u062f\u0627\u0645 \u0633\u0627\u0632\u0646\u062f\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062d\u0627\u0644\u062a \u06a9\u0644\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0686\u0647 \u0631\u0633\u062f \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u062f\u0627\u0645 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0634\u0645\u0627 <em>\u0645\u06cc \u062a\u0648\u0627\u0646<\/em> \u0686\u0646\u062f \u0634\u0631\u0637 \u0632\u0634\u062a \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u06a9\u062f \u062e\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0647\u0631 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0633\u0627\u0632\u0646\u062f\u0647 \u062a\u0648\u0633\u0637 \u0627\u062d\u0627\u0637\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <code>if<\/code> \u0639\u0628\u0627\u0631\u0627\u062a\u060c \u0648 \u0627\u0632 \u0628\u0631\u062e\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u06af\u0631\u0627\u0646 \u0642\u06cc\u0645\u062a \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0646\u0648\u0639 \u062e\u0648\u062f \u0634\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u062f\u0631 \u062d\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062e\u0637\u0627\u0647\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0622\u0646\u200c\u0647\u0627 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u06a9\u062f \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062f\u0631 \u0647\u0631 \u0635\u062f \u0645\u06a9\u0627\u0646 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647\u200c\u0647\u0627 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0628\u062f\u0648\u0646 \u062a\u0627\u06a9\u06cc\u062f \u0628\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639\u060c \u0628\u0647 \u062e\u0648\u0628\u06cc \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0686\u0646\u062f\u0627\u0646 \u0645\u0637\u0644\u0648\u0628\u060c \u063a\u06cc\u0631 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631 \u0648 \u062f\u0631 \u06a9\u0644 \u0646\u0627\u067e\u0627\u06cc\u062f\u0627\u0631 \u0627\u0633\u062a.<\/p>\n<blockquote>\n<p>\u0622\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 <strong>\u0627\u0644\u06af\u0648\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647<\/strong> \u0648\u0627\u0631\u062f \u0628\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f!<\/p>\n<\/blockquote>\n<p>\u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u06a9\u067e\u0633\u0648\u0644\u0647\u200c\u0633\u0627\u0632\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u06a9\u0647 \u0645\u0627 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u0628\u0631\u0627\u06cc \u062a\u0635\u0645\u06cc\u0645\u200c\u06af\u06cc\u0631\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0627\u0635\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0628\u0648\u062f\u060c \u0628\u0627 \u062f\u06cc\u06af\u0631\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u0627\u06cc\u0646 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f \u062c\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0628\u0647\u200c\u06af\u0648\u0646\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0648 \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0646\u0647\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 &#8211; \u062f\u0642\u06cc\u0642\u0627\u064b \u0628\u0627 \u0647\u0645\u0627\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u06a9\u062f\u060c \u0645\u0642\u06cc\u0627\u0633\u200c\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u06af\u0631 \u0641\u0642\u0637 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645\u060c \u062d\u062a\u06cc \u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a \u0628\u062f\u0627\u0646\u06cc\u0645 \u06a9\u062f\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f.  \u0645\u0627 \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0645\u062a\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u06cc \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u06a9\u0644\u0627\u0633\u06cc \u0631\u0627 \u0628\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc \u0645\u0634\u062e\u0635\u06cc \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0628\u06cc\u0627 \u06cc\u06a9 \u0646\u06af\u0627\u0647\u06cc \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0646\u062a\u0632\u0627\u0639\u06cc \u0631\u0627 \u0641\u0631\u0627\u0645\u0648\u0634 \u0646\u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> abc <span class=\"hljs-keyword\">import<\/span> ABC, abstractmethod\n<\/code><\/pre>\n<p>\u0645\u0627 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u062e\u0648\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u0627 \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc \u0633\u0627\u0632\u062f \u0628\u0647 \u0637\u0648\u0631 \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0628\u0627 \u0622\u0646\u0647\u0627 \u06a9\u0627\u0631 \u06a9\u0646\u06cc\u0645.  \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631\u060c \u0631\u0627\u0628\u0637 \u0632\u06cc\u0631 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Product<\/span>(<span class=\"hljs-params\">ABC<\/span>):<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">calculate_risk<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n<\/code><\/pre>\n<p>\u0648 \u0627\u06a9\u0646\u0648\u0646 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u0644\u0641 \u0627\u0632 \u0622\u0646 \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0628\u0631\u06cc\u0645 <code>Worker<\/code> \u0648 <code>Unemployed<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Worker<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, age, hours<\/span>):<\/span>\n        self.name = name\n        self.age = age\n        self.hours = hours\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">calculate_risk<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        \n        <span class=\"hljs-keyword\">return<\/span> self.age + <span class=\"hljs-number\">100<\/span>\/self.hours\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self.name+<span class=\"hljs-string\">\" (\"<\/span>+<span class=\"hljs-built_in\">str<\/span>(self.age)+<span class=\"hljs-string\">\") - \"<\/span>+<span class=\"hljs-built_in\">str<\/span>(self.hours)+<span class=\"hljs-string\">\"h\/week\"<\/span>\n\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Unemployed<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, name, age, able<\/span>):<\/span>\n        self.name = name\n        self.age = age\n        self.able = able\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">calculate_risk<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        \n        <span class=\"hljs-keyword\">if<\/span> self.able:\n            <span class=\"hljs-keyword\">return<\/span> self.age+<span class=\"hljs-number\">10<\/span>\n        <span class=\"hljs-keyword\">else<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> self.age+<span class=\"hljs-number\">30<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.able:\n            <span class=\"hljs-keyword\">return<\/span> self.name+<span class=\"hljs-string\">\" (\"<\/span>+<span class=\"hljs-built_in\">str<\/span>(self.age)+<span class=\"hljs-string\">\") - able to work\"<\/span>\n        <span class=\"hljs-keyword\">else<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> self.name+<span class=\"hljs-string\">\" (\"<\/span>+<span class=\"hljs-built_in\">str<\/span>(self.age)+<span class=\"hljs-string\">\") - unable to work\"<\/span>\n<\/code><\/pre>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0647 \u0627\u0641\u0631\u0627\u062f \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u06cc\u0645\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">PersonFactory<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_person<\/span>(<span class=\"hljs-params\">self, type_of_person<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> type_of_person == <span class=\"hljs-string\">\"worker\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> Worker(<span class=\"hljs-string\">\"Oliver\"<\/span>, <span class=\"hljs-number\">22<\/span>, <span class=\"hljs-number\">30<\/span>)\n        <span class=\"hljs-keyword\">if<\/span> type_of_person == <span class=\"hljs-string\">\"unemployed\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> Unemployed(<span class=\"hljs-string\">\"Sophie\"<\/span>, <span class=\"hljs-number\">33<\/span>, <span class=\"hljs-literal\">False<\/span>)\n<\/code><\/pre>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u062f\u0627\u0631\u06cc\u0645 <em>\u0628\u0631\u0627\u06cc \u0648\u0636\u0648\u062d\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0631\u0627 \u06a9\u062f\u06af\u0630\u0627\u0631\u06cc \u06a9\u0631\u062f<\/em>\u060c \u0627\u06af\u0631\u0686\u0647 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0634\u0645\u0627 \u0641\u0642\u0637 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0632 \u0622\u0646 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0627\u0631 \u062e\u0648\u062f\u0634 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0628\u0631\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0648\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u062e\u0648\u062f \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u0645 \u0686\u0646\u062f \u0646\u0641\u0631 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">factory = PersonFactory()\n\nproduct = factory.get_person(<span class=\"hljs-string\">\"worker\"<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(product)\n\nproduct2 = factory.get_person(<span class=\"hljs-string\">\"unemployed\"<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(product2)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\">Oliver (22) - 30h\/week\nSophie (33) - unable to work\n<\/code><\/pre>\n<h3 id=\"abstractfactorydesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%da%a9%d8%a7%d8%b1%d8%ae%d8%a7%d9%86%d9%87_%d8%a7%d9%86%d8%aa%d8%b2%d8%a7%d8%b9%db%8c\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u062e\u0627\u0646\u0648\u0627\u062f\u0647 \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0645\u062e\u062a\u0644\u0641 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.  \u0627\u06af\u0631\u0686\u0647 \u0622\u0646\u0647\u0627 \u0645\u062a\u0641\u0627\u0648\u062a \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0647 \u0646\u0648\u0639\u06cc \u0628\u0627 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u062e\u0627\u0635 \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0644\u0627\u0632\u0645 \u0628\u0627\u0634\u062f \u06cc\u06a9 \u063a\u0630\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648 \u06cc\u06a9 \u062f\u0633\u0631 \u062f\u0631 \u06cc\u06a9 \u0631\u0633\u062a\u0648\u0631\u0627\u0646 \u0627\u06cc\u062a\u0627\u0644\u06cc\u0627\u06cc\u06cc \u0648 \u06cc\u06a9 \u0631\u0633\u062a\u0648\u0631\u0627\u0646 \u0641\u0631\u0627\u0646\u0633\u0648\u06cc \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u06cc\u06a9 \u063a\u0630\u0627 \u0631\u0627 \u0628\u0627 \u062f\u06cc\u06af\u0631\u06cc \u0645\u062e\u0644\u0648\u0637 \u0646\u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<blockquote>\n<p>\u0627\u06cc\u062f\u0647 \u067e\u0634\u062a \u0627\u0644\u06af\u0648\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0627\u0644\u06af\u0648\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u060c \u062a\u0646\u0647\u0627 \u062a\u0641\u0627\u0648\u062a \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0647\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u0634 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06cc\u0627 \u062f\u0627\u0631\u0646\u062f \u0648 \u0646\u0648\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062e\u0627\u0646\u0648\u0627\u062f\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/blockquote>\n<p>\u06cc\u06a9 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc \u0645\u0633\u0626\u0648\u0644 \u0627\u06cc\u062c\u0627\u062f \u06af\u0631\u0648\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0645\u0644 \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621\u060c \u062f\u0631 \u06a9\u0646\u0627\u0631 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u062e\u0648\u062f \u0627\u0633\u062a &#8211; \u0627\u0645\u0627 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0627\u062c\u0631\u0627\u06cc \u0639\u06cc\u0646\u06cc \u0627\u06cc\u0646 \u0627\u0634\u06cc\u0627\u0621 \u0646\u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u062f.  \u0622\u0646 \u0642\u0633\u0645\u062a \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u062e\u0648\u062f \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> abc <span class=\"hljs-keyword\">import<\/span> ABC, abstractmethod\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Product<\/span>(<span class=\"hljs-params\">ABC<\/span>):<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">cook<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">FettuccineAlfredo<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    name = <span class=\"hljs-string\">\"Fettuccine Alfredo\"<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">cook<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"Italian main course prepared: \"<\/span>+self.name)\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Tiramisu<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    name = <span class=\"hljs-string\">\"Tiramisu\"<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">cook<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"Italian dessert prepared: \"<\/span>+self.name)\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">DuckALOrange<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    name = <span class=\"hljs-string\">\"Duck \u00c0 L'Orange\"<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">cook<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"French main course prepared: \"<\/span>+self.name)\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CremeBrulee<\/span>(<span class=\"hljs-params\">Product<\/span>):<\/span>\n    name = <span class=\"hljs-string\">\"Cr\u00e8me br\u00fbl\u00e9e\"<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">cook<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"French dessert prepared: \"<\/span>+self.name)\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Factory<\/span>(<span class=\"hljs-params\">ABC<\/span>):<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_dish<\/span>(<span class=\"hljs-params\">type_of_meal<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">ItalianDishesFactory<\/span>(<span class=\"hljs-params\">Factory<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_dish<\/span>(<span class=\"hljs-params\">type_of_meal<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> type_of_meal == <span class=\"hljs-string\">\"main\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> FettuccineAlfredo()\n        <span class=\"hljs-keyword\">if<\/span> type_of_meal == <span class=\"hljs-string\">\"dessert\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> Tiramisu()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">create_dessert<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> Tiramisu()\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">FrenchDishesFactory<\/span>(<span class=\"hljs-params\">Factory<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_dish<\/span>(<span class=\"hljs-params\">type_of_meal<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> type_of_meal == <span class=\"hljs-string\">\"main\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> DuckALOrange()\n\n        <span class=\"hljs-keyword\">if<\/span> type_of_meal == <span class=\"hljs-string\">\"dessert\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> CremeBrulee()\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">FactoryProducer<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_factory<\/span>(<span class=\"hljs-params\">self, type_of_factory<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> type_of_factory == <span class=\"hljs-string\">\"italian\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> ItalianDishesFactory\n        <span class=\"hljs-keyword\">if<\/span> type_of_factory == <span class=\"hljs-string\">\"french\"<\/span>:\n            <span class=\"hljs-keyword\">return<\/span> FrenchDishesFactory\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u0647\u0631 \u062f\u0648 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0648 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645 <code>cook()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627 \u0631\u0648\u06cc \u0647\u0645\u0647 \u0627\u0634\u06cc\u0627:<\/p>\n<pre><code class=\"hljs\">fp = FactoryProducer()\n\nfac = fp.get_factory(<span class=\"hljs-string\">\"italian\"<\/span>)\nmain = fac.get_dish(<span class=\"hljs-string\">\"main\"<\/span>)\nmain.cook()\ndessert = fac.get_dish(<span class=\"hljs-string\">\"dessert\"<\/span>)\ndessert.cook()\n\nfac1 = fp.get_factory(<span class=\"hljs-string\">\"french\"<\/span>)\nmain = fac1.get_dish(<span class=\"hljs-string\">\"main\"<\/span>)\nmain.cook()\ndessert = fac1.get_dish(<span class=\"hljs-string\">\"dessert\"<\/span>)\ndessert.cook()\n\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06a9\u062f \u0627\u0628\u062a\u062f\u0627 \u063a\u0630\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648 \u062f\u0633\u0631 \u0627\u06cc\u062a\u0627\u0644\u06cc\u0627\u06cc\u06cc \u0648 \u0628\u0639\u062f \u0627\u0632 \u0622\u0646 \u063a\u0630\u0627\u06cc \u0641\u0631\u0627\u0646\u0633\u0648\u06cc \u0631\u0627 \u0622\u0645\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">Italian main course prepared: Fettuccine Alfredo\nItalian dessert prepared: Tiramisu\nFrench main course prepared: Duck \u00c0 L'Orange\nFrench dessert prepared: Cr\u00e8me br\u00fbl\u00e9e\n<\/code><\/pre>\n<h3 id=\"builderdesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%b3%d8%a7%d8%b2%d9%86%d8%af%d9%87\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0633\u0627\u0632\u0646\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0631\u0628\u0627\u062a \u0631\u0627 \u0628\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u062c\u0633\u0645 \u062e\u0648\u062f \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u062f.  \u0627\u06cc\u0646 \u0631\u0628\u0627\u062a \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0646\u0633\u0627\u0646 \u0646\u0645\u0627 \u0628\u0627 \u0686\u0647\u0627\u0631 \u062f\u0633\u062a \u0648 \u067e\u0627 \u0648 \u0627\u06cc\u0633\u062a\u0627\u062f\u0647 \u0628\u0647 \u0633\u0645\u062a \u0628\u0627\u0644\u0627 \u0628\u0627\u0634\u062f \u06cc\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0634\u0628\u06cc\u0647 \u062d\u06cc\u0648\u0627\u0646\u0627\u062a \u0628\u0627 \u062f\u0645\u060c \u0628\u0627\u0644 \u0648 &#8230; \u0628\u0627\u0634\u062f \u0648 \u0627\u0632 \u0686\u0631\u062e \u0628\u0631\u0627\u06cc \u062d\u0631\u06a9\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f \u06cc\u0627 \u0627\u0632 \u062a\u06cc\u063a\u0647 \u0647\u0627\u06cc \u0647\u0644\u06cc\u06a9\u0648\u067e\u062a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f.  \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u062f\u0648\u0631\u0628\u06cc\u0646 \u0647\u0627\u060c \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u062a\u0634\u062e\u06cc\u0635 \u0645\u0627\u062f\u0648\u0646 \u0642\u0631\u0645\u0632 \u0648 \u063a\u06cc\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f \u0631\u0648\u06cc.  \u0634\u0645\u0627 \u0639\u06a9\u0633 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, left_leg, right_leg, left_arm, right_arm,\n             left_wing, right_wing, tail, blades, cameras,\n             infrared_module, \n             <\/span>):<\/span>\n    self.left_leg = left_leg\n    <span class=\"hljs-keyword\">if<\/span> left_leg == <span class=\"hljs-literal\">None<\/span>:\n        bipedal = <span class=\"hljs-literal\">False<\/span>\n    self.right_leg = right_leg\n    self.left_arm = left_arm\n    self.right_arm = right_arm\n    \n<\/code><\/pre>\n<p>\u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f <strong>\u0646\u0627\u062e\u0648\u0627\u0646\u0627<\/strong>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0627\u0634\u062a\u0628\u0627\u0647 \u06af\u0631\u0641\u062a\u0646 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0622\u0633\u0627\u0646 \u0627\u0633\u062a\u060c \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0631\u062f\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u06cc\u200c\u0634\u0645\u0627\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u0633\u0627\u0632\u0646\u062f\u0647 \u0633\u062e\u062a \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0627\u06af\u0631 \u0646\u062e\u0648\u0627\u0647\u06cc\u0645 \u0631\u0628\u0627\u062a \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u062f\u060c \u0686\u0647 \u0645\u06cc \u0634\u0648\u062f <em>\u0647\u0645\u0647<\/em> \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u062f\u0627\u062e\u0644 \u06a9\u0644\u0627\u0633\u061f  \u0686\u0647 \u0645\u06cc \u0634\u0648\u062f \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0647 \u062c\u0627\u06cc \u062f\u0627\u0634\u062a\u0646 \u0647\u0631 \u062f\u0648 \u067e\u0627 \u0641\u0642\u0637 \u067e\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f <em>\u0648<\/em> \u0686\u0631\u062e \u0647\u0627\u061f<\/p>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u067e\u0627\u06cc\u062a\u0648\u0646 <em>\u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u0628\u0627\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f<\/em>\u060c \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u062f\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0686\u0646\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f\u06cc \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f (\u0648 \u062d\u062a\u06cc \u0627\u06af\u0631 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0641\u0642\u0637 \u0645\u0646\u062c\u0631 \u0628\u0647 <em>\u062d\u062a\u06cc \u0628\u06cc\u0634\u062a\u0631<\/em> \u0633\u0627\u0632\u0646\u062f\u06af\u0627\u0646 \u0622\u0634\u0641\u062a\u0647).<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0628\u0631\u0627\u06cc \u063a\u0644\u0628\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 <em>\u0633\u0627\u0632\u0646\u062f\u0647<\/em> \u06a9\u0644\u0627\u0633\u06cc \u06a9\u0647 \u0634\u06cc \u0645\u0627 \u0631\u0627 \u0645\u06cc \u0633\u0627\u0632\u062f \u0648 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0631\u0627 \u0628\u0647 \u0631\u0628\u0627\u062a \u0645\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9 \u0633\u0627\u0632\u0646\u062f\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0627\u062c\u0632\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0645\u0627 \u0633\u0627\u062e\u062a \u0647\u0631 \u0645\u0627\u0698\u0648\u0644 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u067e\u0633 \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0634\u06cc\u0621 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 a \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645 <code>Robot<\/code> \u0628\u0627 \u0686\u0646\u062f \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Robot<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.bipedal = <span class=\"hljs-literal\">False<\/span>\n        self.quadripedal = <span class=\"hljs-literal\">False<\/span>\n        self.wheeled = <span class=\"hljs-literal\">False<\/span>\n        self.flying = <span class=\"hljs-literal\">False<\/span>\n        self.traversal = ()\n        self.detection_systems = ()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        string = <span class=\"hljs-string\">\"\"<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.bipedal:\n            string += <span class=\"hljs-string\">\"BIPEDAL \"<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.quadripedal:\n            string += <span class=\"hljs-string\">\"QUADRIPEDAL \"<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.flying:\n            string += <span class=\"hljs-string\">\"FLYING ROBOT \"<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.wheeled:\n            string += <span class=\"hljs-string\">\"ROBOT \u0631\u0648\u06cc WHEELS\\n\"<\/span>\n        <span class=\"hljs-keyword\">else<\/span>:\n            string += <span class=\"hljs-string\">\"ROBOT\\n\"<\/span>\n\n        <span class=\"hljs-keyword\">if<\/span> self.traversal:\n            string += <span class=\"hljs-string\">\"Traversal modules installed:\\n\"<\/span>\n\n        <span class=\"hljs-keyword\">for<\/span> module <span class=\"hljs-keyword\">in<\/span> self.traversal:\n            string += <span class=\"hljs-string\">\"- \"<\/span> + <span class=\"hljs-built_in\">str<\/span>(module) + <span class=\"hljs-string\">\"\\n\"<\/span>\n\n        <span class=\"hljs-keyword\">if<\/span> self.detection_systems:\n            string += <span class=\"hljs-string\">\"Detection systems installed:\\n\"<\/span>\n\n        <span class=\"hljs-keyword\">for<\/span> system <span class=\"hljs-keyword\">in<\/span> self.detection_systems:\n            string += <span class=\"hljs-string\">\"- \"<\/span> + <span class=\"hljs-built_in\">str<\/span>(system) + <span class=\"hljs-string\">\"\\n\"<\/span>\n\n        <span class=\"hljs-keyword\">return<\/span> string\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">BipedalLegs<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"two legs\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">QuadripedalLegs<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"four legs\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Arms<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"four legs\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Wings<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"wings\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Blades<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"blades\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">FourWheels<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"four wheels\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">TwoWheels<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"two wheels\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">CameraDetectionSystem<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"cameras\"<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">InfraredDetectionSystem<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__str__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"infrared\"<\/span>\n<\/code><\/pre>\n<p>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u062f\u0631 \u0633\u0627\u0632\u0646\u062f\u0647 \u062d\u0630\u0641 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0648 \u0628\u0647 \u062c\u0627\u06cc \u0622\u0646 \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.  \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <em>\u0633\u0627\u0632\u0646\u062f\u0647<\/em> \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631.<\/p>\n<p>\u0627\u0628\u062a\u062f\u0627 \u06cc\u06a9 \u0686\u06a9\u06cc\u062f\u0647 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 <em>\u0633\u0627\u0632\u0646\u062f\u0647<\/em> \u06a9\u0647 \u0631\u0627\u0628\u0637 \u0645\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> abc <span class=\"hljs-keyword\">import<\/span> ABC, abstractmethod\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">RobotBuilder<\/span>(<span class=\"hljs-params\">ABC<\/span>):<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">reset<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_traversal<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n\n<span class=\"hljs-meta\">    @abstractmethod<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_detection_system<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n<\/code><\/pre>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u0622\u0646 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645 <em>\u0633\u0627\u0632\u0646\u062f\u06af\u0627\u0646<\/em> \u06a9\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u067e\u06cc\u0631\u0648\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0627\u0646\u062f\u0631\u0648\u06cc\u062f\u060c \u0648 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u0627\u0634\u06cc\u0646 \u062e\u0648\u062f\u0631\u0627\u0646:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">AndroidBuilder<\/span>(<span class=\"hljs-params\">RobotBuilder<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product = Robot()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">reset<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product = Robot()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_product<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self.product\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_traversal<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product.bipedal = <span class=\"hljs-literal\">True<\/span>\n        self.product.traversal.append(BipedalLegs())\n        self.product.traversal.append(Arms())\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_detection_system<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product.detection_systems.append(CameraDetectionSystem())\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">AutonomousCarBuilder<\/span>(<span class=\"hljs-params\">RobotBuilder<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product = Robot()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">reset<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product = Robot()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">get_product<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self.product\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_traversal<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product.wheeled = <span class=\"hljs-literal\">True<\/span>\n        self.product.traversal.append(FourWheels())\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">build_detection_system<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.product.detection_systems.append(InfraredDetectionSystem())\n<\/code><\/pre>\n<p>\u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647\u06cc \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0627\u0645\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u0630\u0627\u062a\u0627\u064b \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u0632\u06cc\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0648 \u06a9\u0627\u0631\u0628\u0631 \u0646\u0647\u0627\u06cc\u06cc \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u067e\u0631\u062f\u0627\u062e\u062a\u0646 \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a \u0622\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u0646\u062f\u0627\u0631\u062f\u061f<\/p>\n<p>\u0627\u0644\u0628\u062a\u0647\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 <code>Robot<\/code> \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0631 \u062f\u0648 \u067e\u0627\u06cc\u0647 \u0648 \u0686\u0631\u062e \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0627\u06cc\u062f \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0631\u0627 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0633\u0627\u0632\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062e\u0627\u0635\u06cc \u0628\u0633\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0647\u0631 &#8220;\u0642\u0633\u0645\u062a&#8221; \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0631\u0627 \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u0645 <code>AndroidBuilder<\/code> \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0627\u0646\u062f\u0631\u0648\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">builder = AndroidBuilder()\nbuilder.build_traversal()\nbuilder.build_detection_system()\n<span class=\"hljs-built_in\">print<\/span>(builder.get_product())\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">BIPEDAL ROBOT\nTraversal modules installed:\n- two legs\n- four legs\nDetection systems installed:\n- cameras\n<\/code><\/pre>\n<p>\u0648 \u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0632 an \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>AutonomousCarBuilder<\/code> \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0645\u0627\u0634\u06cc\u0646:<\/p>\n<pre><code class=\"hljs\">builder = AutonomousCarBuilder()\nbuilder.build_traversal()\nbuilder.build_detection_system()\n<span class=\"hljs-built_in\">print<\/span>(builder.get_product())\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">ROBOT \u0631\u0648\u06cc WHEELS\nTraversal modules installed:\n- four wheels\nDetection systems installed:\n- infrared\n<\/code><\/pre>\n<p>\u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0633\u0627\u0632\u0646\u062f\u0647 \u0622\u0634\u0641\u062a\u0647 \u0642\u0628\u0644\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0627\u0633\u062a \u0648 \u0645\u0627 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0631\u0627 \u062f\u0627\u0631\u06cc\u0645. <em>\u0645\u0627 \u0645\u06cc\u062e\u0648\u0627\u0647\u06cc\u0645<\/em>.<\/p>\n<p>\u0627\u06af\u0631 \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u0645\u062d\u0635\u0648\u0644 \u0645\u0627 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 \u0647\u0627\u06cc \u0646\u0633\u0628\u062a\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0627\u0635\u0637\u0644\u0627\u062d \u0628\u0633\u0627\u0632\u06cc\u0645 <em>\u06a9\u0627\u0631\u06af\u0631\u062f\u0627\u0646<\/em> \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0633\u0627\u0632\u0646\u062f\u06af\u0627\u0646 \u062e\u0627\u0635:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Director<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">make_android<\/span>(<span class=\"hljs-params\">self, builder<\/span>):<\/span>\n        builder.build_traversal()\n        builder.build_detection_system()\n        <span class=\"hljs-keyword\">return<\/span> builder.get_product()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">make_autonomous_car<\/span>(<span class=\"hljs-params\">self, builder<\/span>):<\/span>\n        builder.build_traversal()\n        builder.build_detection_system()\n        <span class=\"hljs-keyword\">return<\/span> builder.get_product()\n\ndirector = Director()\nbuilder = AndroidBuilder()\n<span class=\"hljs-built_in\">print<\/span>(director.make_android(builder))\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">BIPEDAL ROBOT\nTraversal modules installed:\n- two legs\n- four legs\nDetection systems installed:\n- cameras\n<\/code><\/pre>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06cc\u0646 <em>\u0633\u0627\u0632\u0646\u062f\u0647<\/em> \u0627\u0644\u06af\u0648 \u062e\u06cc\u0644\u06cc \u0645\u0646\u0637\u0642\u06cc \u0646\u06cc\u0633\u062a \u0631\u0648\u06cc \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u0648 \u0633\u0627\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0646\u0637\u0642 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0622\u0646\u0647\u0627 \u0641\u0642\u0637 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0648\u0642\u062a\u06cc \u0635\u062d\u0628\u062a \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627 \u0632\u0645\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0639\u0635\u0628\u06cc \u0686\u0646\u062f \u0644\u0627\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. <em>\u0633\u0627\u0632\u0646\u062f\u0647<\/em> \u0627\u0644\u06af\u0648 \u0646\u062c\u0627\u062a \u062f\u0647\u0646\u062f\u0647 \u0627\u0633\u062a<\/p>\n<\/p><\/div><\/div><\/div>\n<h3 id=\"prototypedesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%a7%d9%88%d9%84%db%8c%d9%87\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0648\u0644\u06cc\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u0648\u0639 \u062f\u0642\u06cc\u0642 \u06cc\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0622\u0646 \u0631\u0627 \u0646\u062f\u0627\u0646\u06cc\u0645\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u0648\u0646\u062f \u06cc\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0631\u0648\u06cc \u0648\u0636\u0639\u06cc\u062a \u0633\u06cc\u0633\u062a\u0645 \u062f\u0631 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u062e\u0627\u0635 \u062f\u0631 \u0637\u0648\u0644 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627.<\/p>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645\u060c \u0648\u0627\u0628\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u06a9\u062f \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0648 \u062d\u062a\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u06a9\u0627\u0631 \u0646\u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 <em>\u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647<\/em> \u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0645\u0634\u06a9\u0644 \u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u0627\u0634\u06cc\u0627 \u0631\u0627 \u0628\u0627 \u062a\u0641\u0648\u06cc\u0636 \u0622\u0646 \u0628\u0647 \u062e\u0648\u062f \u0627\u0634\u06cc\u0627 \u0628\u0631\u0637\u0631\u0641 \u0645\u06cc \u06a9\u0646\u062f.  \u062a\u0645\u0627\u0645 \u0627\u0634\u06cc\u0627\u06cc\u06cc \u06a9\u0647 \u0642\u0627\u0628\u0644 \u06a9\u067e\u06cc \u0647\u0633\u062a\u0646\u062f \u0628\u0627\u06cc\u062f \u0645\u062a\u062f\u06cc \u0628\u0647 \u0646\u0627\u0645 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f <code>clone<\/code> \u0648 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06a9\u067e\u06cc \u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u06cc\u06a9 \u0645\u0634\u062a\u0631\u06a9 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645 <code>clone<\/code> \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0641\u0631\u0632\u0646\u062f \u062a\u0627\u0628\u0639 \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0628\u0631\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> abc <span class=\"hljs-keyword\">import<\/span> ABC, abstractmethod\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Prototype<\/span>(<span class=\"hljs-params\">ABC<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">clone<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">pass<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MyObject<\/span>(<span class=\"hljs-params\">Prototype<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, arg1, arg2<\/span>):<\/span>\n        self.field1 = arg1\n        self.field2 = arg2\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__operation__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.performed_operation = <span class=\"hljs-literal\">True<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">clone<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        obj = MyObject(self.field1, field2)\n        obj.performed_operation = self.performed_operation\n        <span class=\"hljs-keyword\">return<\/span> obj\n<\/code><\/pre>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u0645\u062a\u0646\u0627\u0648\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <code>deepcopy<\/code> \u062a\u0627\u0628\u0639 \u0628\u0647 \u062c\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627\u06cc \u0633\u0627\u062f\u0647 \u0645\u0627\u0646\u0646\u062f \u0645\u062b\u0627\u0644 \u0642\u0628\u0644\u06cc:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MyObject<\/span>(<span class=\"hljs-params\">Prototype<\/span>):<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, arg1, arg2<\/span>):<\/span>\n        self.field1 = arg1\n        self.field2 = arg2\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__operation__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.performed_operation = <span class=\"hljs-literal\">True<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">clone<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">return<\/span> deepcopy(self)\n<\/code><\/pre>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06cc\u0646 <em>\u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647<\/em> \u0627\u0644\u06af\u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0645\u0642\u06cc\u0627\u0633 \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.  \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a\u060c \u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0632 \u0642\u0628\u0644 \u0645\u0648\u062c\u0648\u062f \u0647\u0632\u06cc\u0646\u0647 \u06a9\u0645\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0634\u06cc \u062c\u062f\u06cc\u062f \u062f\u0627\u0631\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<h3 id=\"singletondesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_singleton\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc Singleton<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0622 <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u06cc\u06a9 \u0634\u06cc \u0628\u0627 \u062f\u0648 \u0648\u06cc\u0698\u06af\u06cc \u0627\u0635\u0644\u06cc \u0627\u0633\u062a:<\/p>\n<ul>\n<li>\u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f<\/li>\n<li>\u0628\u0627\u06cc\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u062c\u0647\u0627\u0646\u06cc \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0627\u0634\u062f<\/li>\n<\/ul>\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u0647\u0631 \u062f\u0648 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u06af\u0631\u0686\u0647 \u062f\u0631 \u0639\u0645\u0644 \u0627\u063a\u0644\u0628 \u0645\u06cc \u0634\u0646\u0648\u06cc\u062f \u06a9\u0647 \u0645\u0631\u062f\u0645 \u0686\u06cc\u0632\u06cc \u0631\u0627 a \u0635\u062f\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u062d\u062a\u06cc \u0627\u06af\u0631 \u0641\u0642\u0637 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u062e\u0648\u0627\u0635 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p><strong>\u062f\u0627\u0634\u062a\u0646 \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647<\/strong> \u0645\u0639\u0645\u0648\u0644\u0627 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0628\u0631\u062e\u06cc \u0645\u0646\u0627\u0628\u0639 \u0645\u0634\u062a\u0631\u06a9 \u0627\u0633\u062a.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0648 \u0631\u0634\u062a\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 \u062f\u0648 \u0628\u0647 \u0637\u0648\u0631 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0644\u0641 <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0648 \u0622\u0646\u0647\u0627 \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u062f.<\/p>\n<p><strong>\u062f\u0633\u062a\u0631\u0633\u06cc \u062c\u0647\u0627\u0646\u06cc<\/strong> \u0645\u0647\u0645 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0628\u0639\u062f \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u0644\u0627\u0633 \u0634\u0645\u0627 \u06cc\u06a9 \u0628\u0627\u0631 \u0646\u0645\u0648\u0646\u0647 \u0634\u062f\u060c \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0646\u0645\u0648\u0646\u0647 \u0648\u0627\u062d\u062f \u0631\u0627 \u067e\u0627\u0633 \u06a9\u0646\u06cc\u062f.  \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0648\u0628\u0627\u0631\u0647 \u0622\u0646 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0631\u062f.  \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0633\u0639\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u062f\u0648\u0628\u0627\u0631\u0647 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0646\u0645\u0648\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0647\u0645\u0627\u0646 \u0646\u0645\u0648\u0646\u0647\u200c\u0627\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u0627\u0634\u062a\u0647\u200c\u0627\u06cc\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u0627\u0644\u06af\u0648 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0634\u06cc \u062f\u0631 \u0633\u0637\u062d \u062c\u0647\u0627\u0646\u06cc \u0648 \u0645\u062d\u062f\u0648\u062f \u0628\u0647 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0648\u0627\u062d\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> typing <span class=\"hljs-keyword\">import<\/span> <span class=\"hljs-type\">Optional<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MetaSingleton<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">type<\/span><\/span>):<\/span>\n    _instance : <span class=\"hljs-type\">Optional<\/span>(<span class=\"hljs-built_in\">type<\/span>) = <span class=\"hljs-literal\">None<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__call__<\/span>(<span class=\"hljs-params\">cls, *args, **kwargs<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> cls._instance <span class=\"hljs-keyword\">is<\/span> <span class=\"hljs-literal\">None<\/span>:\n            cls._instance = <span class=\"hljs-built_in\">super<\/span>(MetaSingleton, cls).__call__(*args, **kwargs)\n        <span class=\"hljs-keyword\">return<\/span> cls._instance\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">BaseClass<\/span>:<\/span>\n    field = <span class=\"hljs-number\">5<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Singleton<\/span>(<span class=\"hljs-params\">BaseClass, metaclass=MetaSingleton<\/span>):<\/span>\n    <span class=\"hljs-keyword\">pass<\/span>\n<\/code><\/pre>\n<p><code>Optional<\/code>  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0634\u0627\u0645\u0644 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0630\u06a9\u0631 \u0634\u062f\u0647 \u062f\u0631 \u0622\u0646 \u0628\u0627\u0634\u062f <code>()<\/code> \u06cc\u0627 <code>None<\/code>.<\/p>\n<p>\u062a\u0639\u0631\u06cc\u0641 \u0627\u0644\u0641 <code>__call__()<\/code> \u0645\u062a\u062f \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062a\u0648\u0627\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0627\u06cc\u0646 \u0645\u062a\u062f \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0646\u06cc\u0632 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0648\u0642\u062a\u06cc \u0686\u06cc\u0632\u06cc \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0622\u0646 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>a = Singleton()<\/code> \u0632\u06cc\u0631 \u06a9\u0627\u067e\u0648\u062a \u0622\u0646 \u0631\u0627 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u0647 \u062e\u0648\u062f \u0645\u06cc \u0646\u0627\u0645\u062f <code>__call__()<\/code> \u0631\u0648\u0634.<\/p>\n<p>\u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a.  \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0645\u06cc \u0634\u0648\u062f.  \u062a\u0645\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0645\u0639\u0645\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u060c \u062f\u0627\u0631\u0646\u062f <code>type<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0648\u0639 \u0634\u06cc \u0622\u0646\u0647\u0627.  \u0632\u0648\u062c <code>type<\/code> \u0627\u0632 \u0646\u0648\u0639 \u0627\u0633\u062a <code>type<\/code>.  \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 <code>type<\/code> \u06cc\u06a9 \u0645\u062a\u0627\u06a9\u0644\u0627\u0633 \u0627\u0633\u062a &#8211; \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0622\u0646 \u0647\u0633\u062a\u0646\u062f <code>type<\/code>\u062f\u0631\u0633\u062a \u0645\u0627\u0646\u0646\u062f \u0627\u0634\u06cc\u0627\u0621 \u0645\u062a\u063a\u06cc\u0631 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0622\u0646 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f.  \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627\u060c <code>Singleton<\/code> \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 <code>MetaSingleton<\/code>.<\/p>\n<p>\u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0627 <code>__call__()<\/code> \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u06cc\u06a9 \u0634\u06cc \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f\u060c \u0645\u062a\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u06af\u0631 \u0642\u0628\u0644\u0627\u064b \u0622\u0646 \u0631\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0646\u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0646\u0645\u0648\u0646\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0627\u06af\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0641\u0642\u0637 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p><code>super(MetaSingleton, cls).__call__(*args, **kwargs)<\/code>  \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0631\u0627 \u0645\u06cc \u062e\u0648\u0627\u0646\u062f <code>__call__<\/code>.  \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0633\u062a <code>type<\/code>\u060c \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 <code>__call__<\/code> \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0628\u0627 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0645\u0627 \u0646\u0648\u0639 \u062e\u0648\u062f \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 (<code>MetaSingleton<\/code>\u060c \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0622\u0646 \u0646\u0633\u0628\u062a \u062f\u0627\u062f\u0647 \u0634\u0648\u062f <code>_instance<\/code> \u0631\u0634\u062a\u0647 (<code>cls<\/code>) \u0648 \u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u0622\u0646\u0647\u0627 \u0639\u0628\u0648\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\u0647\u062f\u0641 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u0627\u06a9\u0644\u0627\u0633 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0628\u0647 \u062c\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u062a\u0631\u060c \u0627\u0633\u0627\u0633\u0627\u064b \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0632 \u06a9\u062f \u0627\u0633\u062a.<\/p>\n<\/blockquote>\n<p>\u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0631\u062f\u06cc\u0645\u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u0647 \u06a9\u0644\u0627\u0633 \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u06cc\u0645 <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u0628\u0631\u0627\u06cc \u0647\u062f\u0641\u06cc \u062f\u06cc\u06af\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u062c\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0627\u0633\u0627\u0633\u0627\u064b \u0647\u0645\u0627\u0646 \u0686\u06cc\u0632\u06cc\u060c \u0647\u0645\u0627\u0646 \u0645\u062a\u0627\u06a9\u0644\u0627\u0633 \u0631\u0627 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0631\u0627 \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">a = Singleton()\nb = Singleton()\n\na == b\n<span class=\"hljs-literal\">True<\/span>\n<\/code><\/pre>\n<p>\u0628\u0647 \u062f\u0644\u06cc\u0644 \u0646\u0642\u0637\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u062c\u0647\u0627\u0646\u06cc \u0622\u0646\u060c \u0639\u0627\u0642\u0644\u0627\u0646\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0646\u062e \u0631\u0627 \u062f\u0631 \u0622\u0646 \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em>.  \u062e\u0648\u0634\u0628\u062e\u062a\u0627\u0646\u0647\u060c \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u0632\u06cc\u0627\u062f \u0622\u0646 \u0646\u062f\u0627\u0631\u06cc\u0645.  \u0645\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645 <code>MetaSingleton<\/code> \u0627\u0646\u062f\u06a9\u06cc:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__call__<\/span>(<span class=\"hljs-params\">cls, *args, **kwargs<\/span>):<\/span>\n    <span class=\"hljs-keyword\">with<\/span> cls._lock:\n        <span class=\"hljs-keyword\">if<\/span> <span class=\"hljs-keyword\">not<\/span> cls._instance:\n            cls._instance = <span class=\"hljs-built_in\">super<\/span>().__call__(*args, **kwargs)\n    <span class=\"hljs-keyword\">return<\/span> cls._instance\n<\/code><\/pre>\n<p>\u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u06af\u0631 \u062f\u0648 \u0631\u0634\u062a\u0647 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u062f\u0631 \u0647\u0645\u0627\u0646 \u0632\u0645\u0627\u0646\u060c \u06cc\u06a9\u06cc \u062f\u0631 \u0642\u0641\u0644 \u0645\u062a\u0648\u0642\u0641 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.  \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u062f\u06cc\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0642\u0641\u0644 \u0631\u0627 \u0622\u0632\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u06cc\u06af\u0631\u06cc \u0648\u0627\u0631\u062f \u0642\u0641\u0644 \u0645\u06cc \u0634\u0648\u062f <code>if<\/code> \u0639\u0628\u0627\u0631\u062a \u0648 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u0646\u0645\u0648\u0646\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0642\u0628\u0644\u0627\u064b \u062a\u0648\u0633\u0637 \u0631\u0634\u062a\u0647 \u062f\u06cc\u06af\u0631 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<h3 id=\"objectpooldesignpattern\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%84%da%af%d9%88%db%8c_%d8%b7%d8%b1%d8%a7%d8%ad%db%8c_%d8%a7%d8%b3%d8%aa%d8%ae%d8%b1_%d8%a2%d8%a8%d8%ac%da%a9%d8%aa\"><\/span>\u0627\u0644\u06af\u0648\u06cc \u0637\u0631\u0627\u062d\u06cc \u0627\u0633\u062a\u062e\u0631 \u0622\u0628\u062c\u06a9\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0627 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u062e\u0648\u062f \u062f\u0627\u0631\u06cc\u0645\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0635\u062f\u0627 \u06a9\u0646\u06cc\u0645 <code>MyClass<\/code>. <code>MyClass<\/code> \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u0648 \u0627\u063a\u0644\u0628 \u062f\u0631 \u0637\u0648\u0644 \u067e\u0631\u0648\u0698\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u062f\u0648\u0631\u0647 \u0647\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0648\u062a\u0627\u0647.  \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0648 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646 \u0647\u0633\u062a\u0646\u062f <em>\u0628\u0633\u06cc\u0627\u0631<\/em> \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u06af\u0631\u0627\u0646 \u0627\u0633\u062a\u060c \u0648 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0646\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u062f\u0627\u0626\u0645\u0627\u064b \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0633\u0627\u062e\u062a\u0646 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0686\u0646\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0645\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u062f \u0627\u0633\u062a\u062e\u0631\u060c \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0628\u062c\u06a9\u062a \u0646\u0648\u0639 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 <code>MyClass<\/code>\u060c \u0622\u0646 \u0631\u0627 \u0627\u0632 \u0627\u0633\u062a\u062e\u0631 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645\u060c \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u062f\u0631 \u0627\u0633\u062a\u062e\u0631 \u0631\u0647\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0634\u06cc \u062f\u0627\u0631\u0627\u06cc \u0646\u0648\u0639\u06cc \u062d\u0627\u0644\u062a \u0634\u0631\u0648\u0639 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0628\u0627\u0634\u062f\u060c \u0631\u0647\u0627 \u06a9\u0631\u062f\u0646 \u0647\u0645\u06cc\u0634\u0647 \u0622\u0646 \u0631\u0627 \u0645\u062c\u062f\u062f\u0627\u064b \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.  \u0627\u06af\u0631 \u0627\u0633\u062a\u062e\u0631 \u062e\u0627\u0644\u06cc \u0628\u0645\u0627\u0646\u062f\u060c \u06cc\u06a9 \u0634\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u0627 \u0648\u0642\u062a\u06cc \u06a9\u0627\u0631\u0628\u0631 \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0646 \u0631\u0627 \u062a\u0645\u0627\u0645 \u06a9\u0631\u062f\u060c \u062f\u0648\u0628\u0627\u0631\u0647 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0627\u0633\u062a\u062e\u0631 \u0631\u0647\u0627 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0627\u0628\u062a\u062f\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645 <code>MyClass<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MyClass<\/span>:<\/span>\n    \n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">reset<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.setting = <span class=\"hljs-number\">0<\/span>\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">ObjectPool<\/span>:<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__init__<\/span>(<span class=\"hljs-params\">self, size<\/span>):<\/span>\n        self.objects = (MyClass() <span class=\"hljs-keyword\">for<\/span> _ <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">range<\/span>(size))\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">acquire<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.objects:\n            <span class=\"hljs-keyword\">return<\/span> self.objects.pop()\n        <span class=\"hljs-keyword\">else<\/span>:\n            self.objects.append(MyClass())\n            <span class=\"hljs-keyword\">return<\/span> self.objects.pop()\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">release<\/span>(<span class=\"hljs-params\">self, reusable<\/span>):<\/span>\n        reusable.reset()\n        self.objects.append(reusable)\n<\/code><\/pre>\n<p>\u0648 \u0628\u0631\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646:<\/p>\n<pre><code class=\"hljs\">pool = ObjectPool(<span class=\"hljs-number\">10<\/span>)\nreusable = pool.acquire()\npool.release(reusable)\n<\/code><\/pre>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06cc\u0646 \u06cc\u06a9 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u062f\u0648\u0646 \u0627\u0633\u062a\u062e\u0648\u0627\u0646 \u0627\u0633\u062a \u0648 \u062f\u0631 \u0639\u0645\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f <em>\u0633\u06cc\u0646\u06af\u0644\u062a\u0648\u0646<\/em> \u0628\u0631\u0627\u06cc \u0627\u0631\u0627\u0626\u0647 \u06cc\u06a9 \u0627\u0633\u062a\u062e\u0631 \u0648\u0627\u062d\u062f \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u062c\u0647\u0627\u0646\u06cc.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u062a\u062e\u0635\u06cc\u0635 \u0627\u0634\u06cc\u0627\u06cc\u06cc \u06a9\u0647 \u0641\u0642\u0637 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0627\u0634\u063a\u0627\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f (\u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u06cc\u0686 \u0645\u0646\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0646\u062f\u0627\u0631\u0646\u062f) \u062f\u0631 \u0686\u0646\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0646\u0633\u0628\u062a\u0627\u064b \u0627\u0631\u0632\u0627\u0646 \u0627\u0633\u062a\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u0631\u062c\u0627\u0639\u0627\u062a &#8220;\u0632\u0646\u062f\u0647&#8221; \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f \u0632\u06cc\u0631\u0627 \u0627\u0632 \u0647\u0645\u0647 \u0645\u0631\u0627\u062c\u0639 \u0639\u0628\u0648\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div><\/div><\/div>\n<h3 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><\/h3>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0647 \u0645\u0647\u0645\u062a\u0631\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u067e\u0631\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645 <em>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u062e\u0644\u0627\u0642\u0627\u0646\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/em> &#8211; \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0622\u0646\u0647\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.  \u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u0647\u0627\u0631\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627\u06cc\u062c \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.  \u0628\u0627 \u0622\u06af\u0627\u0647\u06cc \u0627\u0632 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