{"id":16450,"date":"2024-01-25T07:26:09","date_gmt":"2024-01-25T03:56:09","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/"},"modified":"2024-01-25T07:26:09","modified_gmt":"2024-01-25T03:56:09","slug":"%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/","title":{"rendered":"\u0645\u0642\u062f\u0645\u0647 \u0627\u06cc \u0628\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#iterators_%da%86%db%8c%d8%b3%d8%aa%d8%9f\" >Iterators \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%d8%b4%db%8c%d8%a7%d8%a1_%d9%82%d8%a7%d8%a8%d9%84_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\" >\u0627\u0634\u06cc\u0627\u0621 \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%a7%db%8c%d8%ac%d8%a7%d8%af_iterator\" >\u0627\u06cc\u062c\u0627\u062f Iterator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%a7%d8%b2_%d8%b7%d8%b1%db%8c%d9%82_iterator\" >\u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 Iterator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%a8%d8%a7_%d8%ad%d9%84%d9%82%d9%87_%e2%80%9cfor%e2%80%9d\" >\u062a\u06a9\u0631\u0627\u0631 \u0628\u0627 \u062d\u0644\u0642\u0647 &#8220;for&#8221;.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%da%a9%d9%86%d9%86%d8%af%d9%87_%d9%87%d8%a7%db%8c_%d8%a8%db%8c_%d9%86%d9%87%d8%a7%db%8c%d8%aa\" >\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/#%d8%aa%d9%88%d9%82%d9%81_%db%8c%da%a9_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1\" >\u062a\u0648\u0642\u0641 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d9%82%d8%af%d9%85%d9%87-%d8%a7%db%8c-%d8%a8%d8%b1-%d8%aa%da%a9%d8%b1%d8%a7%d8%b1-%da%a9%d9%86%d9%86%d8%af%d9%87-%d9%87%d8%a7%db%8c-%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\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div><noscript><\/noscript><\/p>\n<h2 id=\"whatareiterators\"><span class=\"ez-toc-section\" id=\"iterators_%da%86%db%8c%d8%b3%d8%aa%d8%9f\"><\/span>Iterators \u0686\u06cc\u0633\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0647 \u0634\u06cc\u0626\u06cc \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645.  \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0642\u0627\u0628\u0644 \u0634\u0645\u0627\u0631\u0634 \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u06a9 \u0628\u0647 \u06cc\u06a9 \u0639\u0628\u0648\u0631 \u06a9\u0631\u062f.<\/p>\n<p>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.  \u067e\u0631\u0648\u062a\u06a9\u0644 iterator \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u062f\u0648 \u0631\u0648\u0634 \u062e\u0627\u0635 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u0634\u0648\u062f <code>__iter__()<\/code> \u0648 <code>__next__()<\/code>.  \u0628\u0627 \u0627\u06cc\u0646 \u062f\u0648 \u0631\u0648\u0634\u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0642\u0627\u062f\u0631 \u0627\u0633\u062a \u0645\u0642\u062f\u0627\u0631 \u0628\u0639\u062f\u06cc \u0631\u0627 \u062f\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0627 \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u060c \u06a9\u0627\u0631 \u0628\u0627 \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0627\u0632 \u0622\u06cc\u062a\u0645 \u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0631\u0627\u06cc \u0645\u0627 \u0622\u0633\u0627\u0646 \u0627\u0633\u062a.  \u0645\u0627 \u0645\u062c\u0628\u0648\u0631 \u0646\u06cc\u0633\u062a\u06cc\u0645 \u0645\u0646\u0627\u0628\u0639 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0647 \u0645\u0648\u0627\u0631\u062f \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u062a\u062e\u0635\u06cc\u0635 \u062f\u0647\u06cc\u0645\u060c \u0628\u0644\u06a9\u0647 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u0622\u06cc\u062a\u0645 \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u062f\u0631 \u0635\u0631\u0641\u0647 \u062c\u0648\u06cc\u06cc \u062f\u0631 \u0641\u0636\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0631\u0648\u0634 \u06a9\u0627\u0631 \u0628\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/p>\n<h2 id=\"iterableobjectsinpython\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b4%db%8c%d8%a7%d8%a1_%d9%82%d8%a7%d8%a8%d9%84_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%af%d8%b1_%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\"><\/span>\u0627\u0634\u06cc\u0627\u0621 \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u0634\u06cc\u0626\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0642\u0627\u062f\u0631 \u0628\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a.  \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0645 \u0645\u0646\u0627\u0628\u0639 \u062f\u0627\u062f\u0647 \u0645\u062a\u0646\u0627\u0647\u06cc \u0648 \u0647\u0645 \u0645\u0646\u0627\u0628\u0639 \u062f\u0627\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0631\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u062f.  \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u06cc\u0627 \u063a\u06cc\u0631\u0645\u0633\u062a\u0642\u06cc\u0645 \u062f\u0648 \u0631\u0648\u0634 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f: <code>__iter__()<\/code> \u0648 <code>__next__()<\/code>.  \u0627\u06cc\u0646 <code>__iter__()<\/code> \u0645\u062a\u062f \u0634\u06cc iterator \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 the <code>__next__()<\/code> \u0645\u062a\u062f \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0639\u0646\u0627\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0634\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0631\u0627 \u0637\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0634\u0627\u0645\u0644 \u0644\u06cc\u0633\u062a \u0647\u0627\u060c \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627\u060c \u062a\u0627\u067e\u0644 \u0647\u0627 \u0648 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0645\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<h2 id=\"creatinganiterator\"><span class=\"ez-toc-section\" id=\"%d8%a7%db%8c%d8%ac%d8%a7%d8%af_iterator\"><\/span>\u0627\u06cc\u062c\u0627\u062f Iterator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0639\u0628\u0627\u0631\u062a \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>__iter__()<\/code> \u0648 <code>__next__()<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627 \u0631\u0648\u06cc \u0634\u06cc  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">IterationExample<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">0<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        y = self.x\n        self.x += <span class=\"hljs-number\">1<\/span>\n        <span class=\"hljs-keyword\">return<\/span> y\n\nclassinstance = IterationExample()\nelement = <span class=\"hljs-built_in\">iter<\/span>(classinstance)\n<\/code><\/pre>\n<p>\u0645\u0627 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <code>element<\/code> \u06a9\u0647 \u0627\u0639\u062f\u0627\u062f \u0627\u0632 0 \u062a\u0627 N \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0628\u062a\u062f\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u06cc\u0645 \u0648 \u0646\u0627\u0645 \u0622\u0646 \u0631\u0627 \u06af\u0630\u0627\u0634\u062a\u06cc\u0645 <code>classinstance<\/code>.  \u0633\u067e\u0633 \u0628\u0627 <code>iter()<\/code> \u0645\u062a\u062f \u062f\u0627\u062e\u0644\u06cc \u0648 \u0646\u0627\u0645 \u0646\u0645\u0648\u0646\u0647 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f.  \u0627\u06cc\u0646 \u0634\u06cc\u0621 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u0686\u06af\u0648\u0646\u06af\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0648\u0627\u0642\u0639\u06cc \u062f\u0631 \u0622\u06cc\u062a\u0645 \u0647\u0627 \u0628\u062d\u062b \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"iteratingthroughaniterator\"><span class=\"ez-toc-section\" id=\"%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%a7%d8%b2_%d8%b7%d8%b1%db%8c%d9%82_iterator\"><\/span>\u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 Iterator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <code>next()<\/code> \u0645\u062a\u062f \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645.  \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u0628\u0627\u0644\u0627 \u0630\u06a9\u0631 \u0634\u062f \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">IterationExample<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">0<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        y = self.x\n        self.x += <span class=\"hljs-number\">1<\/span>\n        <span class=\"hljs-keyword\">return<\/span> y\n\nclassinstance = IterationExample()\nelement = <span class=\"hljs-built_in\">iter<\/span>(classinstance)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n<\/code><\/pre>\n<p><strong>\u062e\u0631\u0648\u062c\u06cc<\/strong><\/p>\n<pre><code class=\"hljs\">0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627\u0644\u0627\u060c \u0645\u0627 \u0631\u0627 \u0635\u062f\u0627 \u0632\u062f\u06cc\u0645 <code>next()<\/code> \u0645\u062a\u062f \u0648 \u0646\u0627\u0645 \u0639\u0646\u0635\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0647 \u0645\u062a\u062f \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f.  \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u0645\u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0639\u0646\u0635\u0631 \u0628\u0639\u062f\u06cc \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0645\u06cc \u0631\u0648\u062f.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u062f\u06cc\u06af\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n<pre><code class=\"hljs\">\nlist1 = (<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">15<\/span>)\n\n\nelement = <span class=\"hljs-built_in\">iter<\/span>(list1)\n\n\n\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(element))\n\n\n\n\n<span class=\"hljs-built_in\">print<\/span>(element.__next__())\n\n\n<span class=\"hljs-built_in\">print<\/span>(element.__next__())\n<\/code><\/pre>\n<p><strong>\u062e\u0631\u0648\u062c\u06cc<\/strong><\/p>\n<pre><code class=\"hljs\">0\n5\n10\n15\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627\u0644\u0627\u060c \u0644\u06cc\u0633\u062a\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u06cc\u0645 <code>list1<\/code>\u060c \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc 4 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a.  \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0646\u0627\u0645 <code>element<\/code> \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.  \u0627\u06cc\u0646 <code>next()<\/code> \u0645\u062a\u062f \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u06a9\u0631\u062f\u0647 \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0639\u0646\u0627\u0635\u0631 \u0644\u06cc\u0633\u062a \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"iterationwiththeforloop\"><span class=\"ez-toc-section\" id=\"%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%d8%a8%d8%a7_%d8%ad%d9%84%d9%82%d9%87_%e2%80%9cfor%e2%80%9d\"><\/span>\u062a\u06a9\u0631\u0627\u0631 \u0628\u0627 \u062d\u0644\u0642\u0647 &#8220;for&#8221;.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <code>for<\/code> \u062d\u0644\u0642\u0647 \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0647\u0631 \u0634\u06cc\u0626\u06cc \u06a9\u0647 \u0642\u0627\u062f\u0631 \u0628\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a\u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645.  \u0645\u062b\u0644\u0627:<\/p>\n<pre><code class=\"hljs\">\nlist1 = (<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">15<\/span>)\n\n\nelement = <span class=\"hljs-built_in\">iter<\/span>(list1)\n\n\n<span class=\"hljs-keyword\">for<\/span> x <span class=\"hljs-keyword\">in<\/span> element:\n    <span class=\"hljs-built_in\">print<\/span>(x)\n<\/code><\/pre>\n<p><strong>\u062e\u0631\u0648\u062c\u06cc<\/strong><\/p>\n<pre><code class=\"hljs\">0\n5\n10\n15\n<\/code><\/pre>\n<p>\u062f\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u06cc\u0645 <code>x<\/code>\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>element<\/code> \u0627\u0632 \u0637\u0631\u06cc\u0642 a <code>for<\/code> \u062d\u0644\u0642\u0647<\/p>\n<h2 id=\"infiniteiterators\"><span class=\"ez-toc-section\" id=\"%d8%aa%da%a9%d8%b1%d8%a7%d8%b1_%da%a9%d9%86%d9%86%d8%af%d9%87_%d9%87%d8%a7%db%8c_%d8%a8%db%8c_%d9%86%d9%87%d8%a7%db%8c%d8%aa\"><\/span>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0646\u0627\u0645\u062a\u0646\u0627\u0647\u06cc\u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0639\u062f\u0627\u062f \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0646\u0627\u0645\u062a\u0646\u0627\u0647\u06cc \u062f\u0627\u0631\u062f.  \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0628\u0627\u06cc\u062f \u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0634\u06cc\u0645.  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">IterationExample<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">0<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        y = self.x\n        self.x += <span class=\"hljs-number\">1<\/span>\n        <span class=\"hljs-keyword\">return<\/span> y\n\nclassinstance = IterationExample()\nelement = <span class=\"hljs-built_in\">iter<\/span>(classinstance)\n\n<span class=\"hljs-keyword\">for<\/span> x <span class=\"hljs-keyword\">in<\/span> element:\n    <span class=\"hljs-built_in\">print<\/span>(x)\n<\/code><\/pre>\n<p>\u06a9\u062f \u0628\u0627\u0644\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0634\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0631\u0627\u06cc \u0645\u062a\u0648\u0642\u0641 \u06a9\u0631\u062f\u0646 \u0622\u0646\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0645\u062f\u0627\u062e\u0644\u0647 \u06a9\u0646\u06cc\u062f.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u062b\u0627\u0644 \u062f\u06cc\u06af\u0631\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0631\u0648\u0634 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Infinite<\/span>:<\/span>\n    \n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">0<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        x = self.x\n        self.x += <span class=\"hljs-number\">2<\/span>\n        <span class=\"hljs-keyword\">return<\/span> x\n<\/code><\/pre>\n<p>\u06a9\u062f \u0628\u0627\u06cc\u062f \u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0632\u0648\u062c \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0627\u0632 0 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f. \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06a9\u062f \u0631\u0627 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>y = <span class=\"hljs-built_in\">iter<\/span>(Infinite())\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">0<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">2<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">4<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">6<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">8<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(y)\n<span class=\"hljs-number\">10<\/span>\n&gt;&gt;&gt;\n<\/code><\/pre>\n<p>\u0648 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0628\u0627\u0644\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0634\u0647 \u0627\u062f\u0627\u0645\u0647 \u06cc\u0627\u0628\u062f.  \u0627\u06cc\u0646 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0627 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0639\u062f\u0627\u062f \u0646\u0627\u0645\u062a\u0646\u0627\u0647\u06cc \u0622\u06cc\u062a\u0645 \u0647\u0627 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0628\u062e\u0634 \u0628\u0639\u062f\u06cc\u060c \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062e\u0631\u0648\u062c \u0627\u0632 \u0686\u0646\u06cc\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"stoppinganiteration\"><span class=\"ez-toc-section\" id=\"%d8%aa%d9%88%d9%82%d9%81_%db%8c%da%a9_%d8%aa%da%a9%d8%b1%d8%a7%d8%b1\"><\/span>\u062a\u0648\u0642\u0641 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0642\u0633\u0645\u062a \u0642\u0628\u0644 \u0631\u0648\u0634 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u062f\u06cc\u062f\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0645\u0639\u0645\u0648\u0644\u0627 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0646\u0634\u062f\u0647 \u0627\u0646\u062f.  \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u0631\u0637 \u062e\u0627\u062a\u0645\u0647 \u0647\u0645\u06cc\u0634\u0647 \u0631\u0627\u062d\u062a \u0627\u0633\u062a.<\/p>\n<p>\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a\u060c \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0634\u0647 \u0645\u062a\u0648\u0642\u0641 \u06a9\u0646\u06cc\u0645 <code>StopIteration<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647.  \u0645\u0627 \u0641\u0642\u0637 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u06cc\u06a9 \u0634\u0631\u0637 \u067e\u0627\u06cc\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>__next__()<\/code> \u0631\u0648\u0634\u06cc \u06a9\u0647 \u067e\u0633 \u0627\u0632 \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u062a\u06a9\u0631\u0627\u0631 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647\u060c \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">StoppingIteration<\/span>:<\/span>\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">1<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.x &lt;= <span class=\"hljs-number\">5<\/span>:\n            y = self.x\n            self.x += <span class=\"hljs-number\">1<\/span>\n            <span class=\"hljs-keyword\">return<\/span> y\n        <span class=\"hljs-keyword\">else<\/span>:\n            <span class=\"hljs-keyword\">raise<\/span> StopIteration\n\nclassinstance = StoppingIteration()\nelement = <span class=\"hljs-built_in\">iter<\/span>(classinstance)\n\n<span class=\"hljs-keyword\">for<\/span> a <span class=\"hljs-keyword\">in<\/span> element:\n    <span class=\"hljs-built_in\">print<\/span>(a)\n<\/code><\/pre>\n<p><strong>\u062e\u0631\u0648\u062c\u06cc<\/strong><\/p>\n<pre><code class=\"hljs\">1\n2\n3\n4\n5\n<\/code><\/pre>\n<p>\u0627\u062c\u0631\u0627 \u067e\u0633 \u0627\u0632 5 \u0628\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a <code>self.x &lt;= 5:<\/code> \u0634\u0631\u0627\u06cc\u0637 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u062f\u0631 <code>__next__()<\/code> \u0631\u0648\u0634.  \u0627\u06af\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0639\u062f \u0627\u0632 \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 5 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0634\u0648\u062f\u060c \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u06cc\u0627\u0628\u062f <code>StopIteration<\/code> \u0631\u0648\u06cc\u062f\u0627\u062f.  \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">StoppingIteration<\/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 class=\"hljs-built_in\">max<\/span> = <span class=\"hljs-number\">0<\/span><\/span>):<\/span>\n        self.<span class=\"hljs-built_in\">max<\/span> = <span class=\"hljs-built_in\">max<\/span>\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__iter__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        self.x = <span class=\"hljs-number\">1<\/span>\n        <span class=\"hljs-keyword\">return<\/span> self\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">__next__<\/span>(<span class=\"hljs-params\">self<\/span>):<\/span>\n        <span class=\"hljs-keyword\">if<\/span> self.x &lt;= self.<span class=\"hljs-built_in\">max<\/span>:\n            val = <span class=\"hljs-number\">3<\/span> ** self.x\n            self.x += <span class=\"hljs-number\">1<\/span>\n            <span class=\"hljs-keyword\">return<\/span> val\n        <span class=\"hljs-keyword\">else<\/span>:\n            <span class=\"hljs-keyword\">raise<\/span> StopIteration\n<\/code><\/pre>\n<p>\u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>y = StoppingIteration(<span class=\"hljs-number\">3<\/span>)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span>z = <span class=\"hljs-built_in\">iter<\/span>(y)\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(z)\n<span class=\"hljs-number\">3<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(z)\n<span class=\"hljs-number\">9<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(z)\n<span class=\"hljs-number\">27<\/span>\n<span class=\"hljs-meta\">&gt;&gt;&gt; <\/span><span class=\"hljs-built_in\">next<\/span>(z)\nTraceback (most recent call last):\n  File <span class=\"hljs-string\">\"&lt;pyshell#5&gt;\"<\/span>, line <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-keyword\">in<\/span> &lt;module&gt;\n    <span class=\"hljs-built_in\">next<\/span>(z)\n  File <span class=\"hljs-string\">\"C:\\Users\\admin\\iteration.py\"<\/span>, line <span class=\"hljs-number\">17<\/span>, <span class=\"hljs-keyword\">in<\/span> __next__\n    <span class=\"hljs-keyword\">raise<\/span> StopIteration\nStopIteration\n&gt;&gt;&gt;\n<\/code><\/pre>\n<p>\u0634\u0631\u0637 \u067e\u0627\u06cc\u0627\u0646 \u062f\u0631 \u0628\u062e\u0634 \u0632\u06cc\u0631 \u06a9\u062f \u0645\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">if<\/span> self.x &lt;= self.<span class=\"hljs-built_in\">max<\/span>:\n    val = <span class=\"hljs-number\">3<\/span> ** self.x\n<\/code><\/pre>\n<p>\u0645\u0642\u062f\u0627\u0631 3 \u0631\u0627 \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f\u06cc\u0645\u060c \u06cc\u0639\u0646\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0646\u0628\u0627\u06cc\u062f \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 27 \u06cc\u0639\u0646\u06cc 3^3 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u062f.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0627\u06af\u0631 \u0634\u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u0628\u0632\u0631\u06af \u0627\u0632 \u0622\u06cc\u062a\u0645 \u0647\u0627 \u062f\u0627\u0631\u06cc\u062f.  \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u062a\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u0622\u06cc\u062a\u0645\u200c\u0647\u0627 \u0631\u0627 \u06cc\u06a9\u200c\u0628\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f\u060c \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u062c\u0628\u0648\u0631 \u0628\u0627\u0634\u06cc\u062f \u0647\u0645\u0647 \u0645\u0648\u0627\u0631\u062f \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0648\u0634 \u0627\u06cc\u062c\u0627\u062f iterator \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0648 \u0631\u0648\u0634 \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u06cc\u062a\u0645 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u062f\u06cc\u062f\u06cc\u0645.  \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u06cc\u062f\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 \u0648 \u0686\u06af\u0648\u0646\u0647 \u0634\u0631\u0637 \u067e\u0627\u06cc\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<\/div>\n<p><script>\n                        !function(f,b,e,v,n,t,s)\n                        {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n                        n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n                        if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n                        n.queue=();t=b.createElement(e);t.async=!0;\n                        t.src=v;s=b.getElementsByTagName(e)(0);\n                        s.parentNode.insertBefore(t,s)}(window, document,'script',\n                        'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n                        fbq('init', '525232124909042');\n                        fbq('track', 'PageView');\n                    <\/script>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0647 \u062a\u0631\u062c\u0645\u0647)# python<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-25 07:26:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;16450&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0645\u0642\u062f\u0645\u0647 \u0627\u06cc \u0628\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>Iterators \u0686\u06cc\u0633\u062a\u061f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0647 \u0634\u06cc\u0626\u06cc \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u0645. \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0642\u0627\u0628\u0644 \u0634\u0645\u0627\u0631\u0634 \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u06a9 \u0628\u0647 \u06cc\u06a9 \u0639\u0628\u0648\u0631 \u06a9\u0631\u062f. \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u067e\u0631\u0648\u062a\u06a9\u0644 iterator \u06cc\u06a9 \u06a9\u0644\u0627\u0633 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9759,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743,620],"tags":[1749,1748,1746,1754,1751,2051,1986,1744,3290,2181,2492,1752,1785],"class_list":["post-16450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-programming","tag-python","tag-python-hosting","tag-vps-","tag-1754","tag-1751","tag-2051","tag-1986","tag-1744","tag-3290","tag-2181","tag-2492","tag-1752","tag-1785"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=16450"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16450\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9759"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=16450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=16450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=16450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}