{"id":15253,"date":"2024-01-10T08:30:19","date_gmt":"2024-01-10T05:00:19","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/"},"modified":"2024-01-10T08:30:19","modified_gmt":"2024-01-10T05:00:19","slug":"itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/","title":{"rendered":"itertools \u067e\u0627\u06cc\u062a\u0648\u0646 \u2013 count()\u060c cycle() \u0648 chain()"},"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\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#iterable_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_iterator\" >Iterable \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 Iterator<\/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\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#%d8%b4%d9%85%d8%b1%d8%af%d9%86_%d8%aa%d8%a7%d8%a8%d8%b9\" >\u0634\u0645\u0631\u062f\u0646() \u062a\u0627\u0628\u0639<\/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\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#%da%86%d8%b1%d8%ae%d9%87_%d8%aa%d8%a7%d8%a8%d8%b9\" >\u0686\u0631\u062e\u0647 () \u062a\u0627\u0628\u0639<\/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\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#%d8%b2%d9%86%d8%ac%db%8c%d8%b1_%d8%aa%d8%a7%d8%a8%d8%b9\" >\u0632\u0646\u062c\u06cc\u0631() \u062a\u0627\u0628\u0639<\/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\/itertools-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-count%d8%8c-cycle-%d9%88-chain\/#%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\"> 4<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div><noscript><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0648 \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f.  \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a <code>itertools<\/code> \u0645\u0627\u0698\u0648\u0644\u060c \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u06a9\u0631\u0627\u0631 \u0631\u0627\u062d\u062a \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0647\u0631\u06a9\u062f\u0627\u0645 \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 <strong>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647<\/strong> \u062a\u0648\u0627\u0628\u0639 (\u0622\u0646\u0647\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f <em>\u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627<\/em>) \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u06a9\u0627\u0631 \u0631\u0648\u062f \u0631\u0648\u06cc \u062e\u0648\u062f\u060c \u06cc\u0627 \u062a\u0631\u06a9\u06cc\u0628\u06cc.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644 \u0627\u0632 \u0632\u0628\u0627\u0646 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0645\u0627\u0646\u0646\u062f <em>APL<\/em>\u060c <em>\u0647\u0627\u0633\u06a9\u0644<\/em>\u060c \u0648 <em>SPL<\/em> \u0648 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631\u0648\u0646 <code>itertools<\/code> \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 <em>\u062c\u0628\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647<\/em>.<\/p>\n<h2 id=\"iterablevsiterator\"><span class=\"ez-toc-section\" id=\"iterable_%d8%af%d8%b1_%d9%85%d9%82%d8%a7%d8%a8%d9%84_iterator\"><\/span>Iterable \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 Iterator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0634\u06cc\u0631\u062c\u0647 \u0631\u0641\u062a\u0646 \u062f\u0631 <em>\u062a\u06a9\u0631\u0627\u0631<\/em>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0628\u062a\u062f\u0627 \u062a\u0645\u0627\u06cc\u0632 \u0628\u06cc\u0646 \u062f\u0648 \u0627\u0635\u0637\u0644\u0627\u062d \u0645\u0647\u0645 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645: <strong>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/strong> \u0648 <strong>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631<\/strong>.<\/p>\n<p>\u06cc\u06a9 <strong>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/strong> \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0631\u062f.  \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>iter()<\/code> \u062a\u0627\u0628\u0639\u060c \u06cc\u06a9 <strong>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631<\/strong> \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0644\u06cc\u062f \u0627\u0633\u062a.  \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u0628\u06cc\u0634\u062a\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f <em>\u0644\u06cc\u0633\u062a \u0647\u0627<\/em>\u060c <em>\u062a\u0627\u067e\u0644 \u0647\u0627<\/em>\u060c <em>\u0631\u0634\u062a\u0647 \u0647\u0627\u06cc<\/em>\u060c \u0648 \u063a\u06cc\u0631\u0647.<\/p>\n<p>\u06cc\u06a9 <strong>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631<\/strong> \u0647\u0645\u0686\u0646\u06cc\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0631\u0648\u06cc an \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <strong>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/strong> \u0648 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u062f <em>\u062e\u0648\u062f<\/em>.  \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>next()<\/code> \u0631\u0648\u0634\u060c \u0639\u0628\u0648\u0631 \u062f\u0631 <strong>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631<\/strong> \u06a9\u0647 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0639\u0628\u0648\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<p> <code>next()<\/code> \u0645\u062a\u062f \u0639\u0646\u0635\u0631 \u0628\u0639\u062f\u06cc \u06cc\u06a9 \u0634\u06cc\u0621 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 (\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>iter()<\/code>):<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">list<\/span> = (<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">4<\/span>,<span class=\"hljs-number\">5<\/span>)\niterator = <span class=\"hljs-built_in\">iter<\/span>(<span class=\"hljs-built_in\">list<\/span>)\n\n<span class=\"hljs-built_in\">print<\/span>(iterator)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">&lt;list_iterator object at 0x0000018E393A0F28&gt;\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 <code>next()<\/code> \u0639\u0646\u0635\u0631 (\u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627 <code>iterator<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">next<\/span>(iterator))\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">1\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0639\u0645\u0644\u0627\u064b \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u06a9\u0627\u067e\u0648\u062a \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f <code>for<\/code> \u062d\u0644\u0642\u0647 &#8211; \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>iter()<\/code> \u0631\u0648\u06cc  \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u06a9\u0647 \u0631\u0648\u06cc \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0648 \u067e\u0633 \u0627\u0632 \u0622\u0646\u060c <code>next()<\/code> \u0639\u0646\u0635\u0631 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0627\u0633\u062a <code>n<\/code> \u0628\u0627\u0631.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0645\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0686\u0646\u062f \u0627\u0628\u0632\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a:<\/p>\n<h2 id=\"thecountfunction\"><span class=\"ez-toc-section\" id=\"%d8%b4%d9%85%d8%b1%d8%af%d9%86_%d8%aa%d8%a7%d8%a8%d8%b9\"><\/span> <em>\u0634\u0645\u0631\u062f\u0646()<\/em> \u062a\u0627\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <code>count(start, step)<\/code> \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0627 \u0641\u0648\u0627\u0635\u0644 \u0645\u0633\u0627\u0648\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0641\u0636\u0627\u06cc \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u062a\u0648\u0633\u0637 <code>step<\/code> \u0628\u062d\u062b \u0648 \u062c\u062f\u0644. <code>start<\/code> \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u0634\u0631\u0648\u0639 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f &#8211; \u0648 \u0627\u06cc\u0646\u0647\u0627 \u0631\u0648\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u0634\u0648\u0646\u062f <code>start=0<\/code> \u0648 <code>step=1<\/code> \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636.<\/p>\n<p>\u0628\u062f\u0648\u0646 \u0634\u0631\u0627\u06cc\u0637 \u062a\u0631\u0645\u0632\u060c <code>count()<\/code> \u062a\u0627\u0628\u0639 \u0628\u0647 \u0637\u0648\u0631 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u0628\u0647 \u0634\u0645\u0627\u0631\u0634 \u0627\u062f\u0627\u0645\u0647 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f (\u0631\u0648\u06cc \u0633\u06cc\u0633\u062a\u0645\u06cc \u0628\u0627 \u062d\u0627\u0641\u0638\u0647 \u0646\u0627\u0645\u062d\u062f\u0648\u062f):<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> itertools <span class=\"hljs-keyword\">import<\/span> count\n\niterator_count = count(start=<span class=\"hljs-number\">0<\/span>, step=<span class=\"hljs-number\">5<\/span>)\n\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> iterator_count:\n    <span class=\"hljs-keyword\">if<\/span>(i == <span class=\"hljs-number\">25<\/span>):\n        <span class=\"hljs-keyword\">break<\/span>\n    <span class=\"hljs-built_in\">print<\/span>(i)\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\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <code>count()<\/code> \u0645\u062b\u0644 \u0627\u06cc\u0646 \u063a\u06cc\u0631\u0639\u0627\u062f\u06cc \u0627\u0633\u062a  \u0634\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u060c \u0645\u0627\u0646\u0646\u062f <code>zip()<\/code>\u060c <code>map()<\/code>\u060c \u06cc\u0627 <code>imap()<\/code>.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0631\u0648\u06cc \u062e\u0648\u062f\u0634 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0645\u0631\u0627\u062d\u0644 5 \u0686\u0627\u067e \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">0\n5\n10\n15\n20\n<\/code><\/pre>\n<p>\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0645\u0627\u0647\u06cc\u062a \u0645\u0648\u0644\u062f \u0622\u0646\u060c \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u062c\u062f\u06cc\u062f \u06cc\u0627 \u062a\u0648\u0644\u06cc\u062f \u062f\u0646\u0628\u0627\u0644\u0647 \u062f\u0627\u0631\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>zip()<\/code> \u0628\u0631\u0627\u06cc \u0632\u06cc\u067e \u06a9\u0631\u062f\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0632 \u06cc\u06a9 \u0644\u06cc\u0633\u062a\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0646\u0645\u0627\u06cc\u0647 \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u062d\u0627\u0634\u06cc\u0647 \u0646\u0648\u06cc\u0633\u06cc \u06a9\u0646\u06cc\u062f.  \u062f\u0631 \u062d\u06cc\u0646 \u0632\u06cc\u067e \u06a9\u0631\u062f\u0646\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>count()<\/code> \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0634\u0627\u062e\u0635 \u0647\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> itertools <span class=\"hljs-keyword\">import<\/span> count\n\n<span class=\"hljs-built_in\">list<\/span> = (<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'Marie'<\/span>, <span class=\"hljs-string\">'Jack'<\/span>, <span class=\"hljs-string\">'Anna'<\/span>)\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">zip<\/span>(count(), <span class=\"hljs-built_in\">list<\/span>):\n    <span class=\"hljs-built_in\">print<\/span>(i)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">(0, 'John')\n(1, 'Marie')\n(2, 'Jack')\n(3, 'Anna')\n<\/code><\/pre>\n<h2 id=\"thecyclefunction\"><span class=\"ez-toc-section\" id=\"%da%86%d8%b1%d8%ae%d9%87_%d8%aa%d8%a7%d8%a8%d8%b9\"><\/span> <em>\u0686\u0631\u062e\u0647 ()<\/em> \u062a\u0627\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <code>cycle()<\/code> \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f <em>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/em> \u0648 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <em>\u0627\u0634\u0627\u0631\u0647 \u06af\u0631<\/em>\u060c \u06a9\u0647 \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0627\u0633\u062a.  \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646 \u0639\u0646\u0627\u0635\u0631\u060c \u062d\u0627\u0648\u06cc \u0627\u0644\u0641 <em>\u06a9\u067e\u06cc \ud83c\udc04<\/em> \u0627\u0632 \u0647\u0631 \u0639\u0646\u0635\u0631<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0627 \u062a\u0627 \u0627\u0646\u062a\u0647\u0627\u06cc \u0639\u0646\u0627\u0635\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06a9\u067e\u06cc \u0647\u0627 \u0634\u0631\u0648\u0639 \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u062f\u0631 \u062d\u06cc\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06a9\u067e\u06cc \u0647\u0627\u060c \u06a9\u067e\u06cc \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0633\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0632 \u0646\u0633\u062e\u0647 \u0647\u0627 \u062a\u0645\u0627\u0645 \u0634\u062f &#8211; \u0645\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u062c\u0645\u0648\u0639\u0647 \u062c\u062f\u06cc\u062f \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u06cc\u0646 process \u0628\u0647 \u0637\u0648\u0631 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/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> \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0648\u0627\u0642\u0639\u06cc\u062a\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>cycle()<\/code>\u060c <em>\u0628\u062e\u0635\u0648\u0635<\/em> \u0628\u0631\u0627\u06cc \u0633\u06a9\u0627\u0646\u0633 \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u062a\u0631\u060c \u0628\u0647 \u0634\u062f\u062a \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0633\u0646\u06af\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0645\u0631\u0627\u0642\u0628 \u0645\u0646\u0637\u0642 \u0627\u06cc\u062c\u0627\u062f \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0648 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0628\u0627\u0634\u06cc\u062f\u060c \u0632\u06cc\u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u062d\u0627\u0641\u0638\u0647 \u0634\u0645\u0627 \u062a\u0645\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0647\u0645\u0647 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u062c\u0627\u06cc \u062f\u0647\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> itertools <span class=\"hljs-keyword\">import<\/span> cycle\n\n<span class=\"hljs-built_in\">list<\/span> = (<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">4<\/span>)\niterator = cycle(<span class=\"hljs-built_in\">list<\/span>)\n\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> iterator:\n    <span class=\"hljs-built_in\">print<\/span>(i)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">1\n2\n3\n4\n1\n2\n3\n4\n...\n<\/code><\/pre>\n<p>\u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u062e\u0627\u062a\u0645\u0647 \u062f\u0647\u06cc\u0645 \u06cc\u0627 \u062d\u0627\u0641\u0638\u0647 \u0622\u0646 \u062a\u0645\u0627\u0645 \u0634\u0648\u062f.  \u06a9\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f &#8211; \u0628\u0627\u06cc\u062f <em>\u0647\u0645\u06cc\u0634\u0647<\/em> \u06cc\u06a9 \u0634\u0631\u0637 \u062e\u0631\u0648\u062c\/\u062e\u0627\u062a\u0645\u0647 \u0628\u0631\u0627\u06cc <code>cycle()<\/code> \u062a\u0627\u0628\u0639.<\/p>\n<p>\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0648\u0627\u0642\u0639\u06cc\u062a \u06a9\u0647 <code>cycle()<\/code> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0631 \u0647\u0631 \u062a\u06a9\u0631\u0627\u0631\u06cc \u0628\u0686\u0631\u062e\u06cc\u0645\u060c \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0631\u0648\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648 \u062a\u0627\u067e\u0644\u200c\u0647\u0627 \u0646\u06cc\u0632 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> itertools <span class=\"hljs-keyword\">import<\/span> cycle\n\nstring = <span class=\"hljs-string\">\"This is a random string\"<\/span>\niterator = cycle(string)\n\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> iterator:\n    <span class=\"hljs-built_in\">print<\/span>(i)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06cc\u06a9 \u062f\u0646\u0628\u0627\u0644\u0647 \u0628\u06cc \u067e\u0627\u06cc\u0627\u0646 \u0627\u0632:<\/p>\n<pre><code class=\"hljs\">T\nh\ni\ns\ni\ns\na\nr\na\nn\nd\no\n...\n<\/code><\/pre>\n<h2 id=\"thechainfunction\"><span class=\"ez-toc-section\" id=\"%d8%b2%d9%86%d8%ac%db%8c%d8%b1_%d8%aa%d8%a7%d8%a8%d8%b9\"><\/span> <em>\u0632\u0646\u062c\u06cc\u0631()<\/em> \u062a\u0627\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <code>chain()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <em>\u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc<\/em> \u0628\u0627 \u0647\u0645\u060c \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628\u060c \u06cc\u06a9\u06cc \u067e\u0633 \u0627\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0637\u06cc \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">result = <span class=\"hljs-built_in\">list<\/span>(chain((<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>), \n        (<span class=\"hljs-string\">\"one\"<\/span>, <span class=\"hljs-string\">\"two\"<\/span>, <span class=\"hljs-string\">\"three\"<\/span>), \n        <span class=\"hljs-string\">\"String\"<\/span>, \n        (<span class=\"hljs-string\">\"this\"<\/span>, <span class=\"hljs-string\">\"is\"<\/span>, <span class=\"hljs-string\">\"a\"<\/span>, <span class=\"hljs-string\">\"tuple\"<\/span>)))\n        \n<span class=\"hljs-built_in\">print<\/span>(result)\n<\/code><\/pre>\n<p>\u062e\u0631\u0648\u062c\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">(1, 2, 3, 'one', 'two', 'three', 'S', 't', 'r', 'i', 'n', 'g', 'this', 'is', 'a', 'tuple')\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0686\u0647\u0627\u0631 \u0646\u0648\u0639 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u0631\u06cc\u0645 &#8211; \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0628\u0647 \u0647\u0645 \u0632\u0646\u062c\u06cc\u0631 \u0634\u062f\u0647 \u0627\u0646\u062f.<\/p>\n<p>\u0628\u0627\u0627\u06cc\u0646\u06a9\u0647 <code>(\"one\", \"two\", \"three\")<\/code> \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0627\u0633\u062a\u060c <code>chain()<\/code> \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u062a\u0644\u0642\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0639\u0646\u0627\u0635\u0631 \u0622\u0646 \u0631\u0627 \u0628\u062f\u0648\u0646 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0628\u0639\u062f\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f <code>chain()<\/code> \u0628\u0631\u0627\u06cc \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627  \u0627\u0632 \u0633\u0648\u06cc \u062f\u06cc\u06af\u0631\u060c <code>\"String\"<\/code> \u0628\u0647 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 \u0622\u0646 \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0627\u0648\u0644\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0631\u0648\u0634 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u0627\u0633\u062a <code>chain()<\/code> \u062a\u0627\u0628\u0639 &#8211; <code>chain.from_iterable()<\/code>:<\/p>\n<pre><code class=\"hljs\">result2 = <span class=\"hljs-built_in\">list<\/span>(chain((<span class=\"hljs-string\">\"one\"<\/span>, <span class=\"hljs-string\">\"two\"<\/span>, <span class=\"hljs-string\">\"three\"<\/span>)))\nresult3 = <span class=\"hljs-built_in\">list<\/span>(chain.from_iterable((<span class=\"hljs-string\">\"one\"<\/span>, <span class=\"hljs-string\">\"two\"<\/span>, <span class=\"hljs-string\">\"three\"<\/span>)))\n\n<span class=\"hljs-built_in\">print<\/span>(result2)\n<span class=\"hljs-built_in\">print<\/span>(result3)\n<\/code><\/pre>\n<p> <code>chain()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u0647\u0645\u0627\u0646 \u0631\u0641\u062a\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0631\u062f\u06cc\u0645 &#8211; \u0622\u0646 <em>\u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0632\u0646\u062c\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/em> \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0647\u0633\u062a\u0646\u062f.  \u0627\u0632 \u0633\u0648\u06cc \u062f\u06cc\u06af\u0631\u060c <code>chain.from_iterable()<\/code> \u0631\u0648\u0634 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0631\u0627 \u062f\u0631\u0645\u0627\u0646 \u0645\u06cc \u06a9\u0646\u062f <em>\u0639\u0646\u0635\u0631<\/em> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 <em>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/em> \u0648 \u0639\u0646\u0627\u0635\u0631 \u062a\u0634\u06a9\u06cc\u0644 \u062f\u0647\u0646\u062f\u0647 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0633\u0627\u06cc\u0631 \u0639\u0646\u0627\u0635\u0631 \u06a9\u0647 \u0628\u0647 \u0647\u0645\u06cc\u0646 \u0634\u06a9\u0644 \u062a\u062c\u0632\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0646\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">('one', 'two', 'three')\n('o', 'n', 'e', 't', 'w', 'o', 't', 'h', 'r', 'e', 'e')\n<\/code><\/pre>\n<p>\u0645\u0639\u0645\u0648\u0644\u0627\u060c \u0634\u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f <code>chain.from_iterable()<\/code> \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u062c\u0645\u0648\u0639 \u0627\u0631\u0642\u0627\u0645 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0686\u0646\u062f\u06cc\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0647 \u0627\u0628\u062a\u062f\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f <em>\u0632\u0646\u062c\u06cc\u0631 \u0628\u0627 \u0647\u0645<\/em>\u060c \u0648 \u0633\u067e\u0633 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u062f <code>sum()<\/code> \u0628\u0631\u0627\u06cc:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> itertools <span class=\"hljs-keyword\">import<\/span> chain\n\nnumber_list = ((<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>),(<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>),(<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">9<\/span>))\nresult = <span class=\"hljs-built_in\">list<\/span>(chain.from_iterable(number_list))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">sum<\/span>(result))\n<\/code><\/pre>\n<p>\u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0632 <code>number_list<\/code> \u0645\u062c\u0645\u0648\u0639\u0647 \u0644\u06cc\u0633\u062a \u062f\u06cc\u06af\u0631\u06cc \u0627\u0633\u062a.  \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0644\u06cc\u0633\u062a \u0647\u0627 \u0647\u0633\u062a\u0646\u062f <em>\u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631<\/em>\u060c <code>chain.from_iterable()<\/code> call \u0627\u06cc\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0648\u0627\u062d\u062f \u0634\u0627\u0645\u0644 \u0639\u0646\u0627\u0635\u0631 \u0627\u0632 \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u062f <code>(1..9)<\/code>\u060c \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>sum()<\/code> \u0648 print \u0646\u062a\u06cc\u062c\u0647:<\/p>\n<pre><code class=\"hljs\">45\n<\/code><\/pre>\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> <code>itertools<\/code> \u0645\u0627\u0698\u0648\u0644 \u0645\u0627 \u0631\u0627 \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0645\u0641\u06cc\u062f \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631\u0647\u0627 \u0648 \u062a\u06a9\u0631\u0627\u0631 \u0622\u0634\u0646\u0627 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627\u062d\u062a\u06cc \u0645\u0633\u062a\u0642\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u060c \u0627\u0645\u0627 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0632\u0646\u062c\u06cc\u0631 \u0645\u06cc \u0634\u0648\u0646\u062f.<\/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 1403-01-10 08:30:12<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;15253&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;itertools \u067e\u0627\u06cc\u062a\u0648\u0646 \u2013 count()\u060c cycle() \u0648 chain()&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\"> 4<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0648 \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f. \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a itertools \u0645\u0627\u0698\u0648\u0644\u060c \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u06a9\u0631\u0627\u0631 \u0631\u0627\u062d\u062a \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f. \u0647\u0631\u06a9\u062f\u0627\u0645 \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062a\u0648\u0627\u0628\u0639 (\u0622\u0646\u0647\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u0646\u062f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627) \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u06a9\u0627\u0631 \u0631\u0648\u062f \u0631\u0648\u06cc \u062e\u0648\u062f\u060c \u06cc\u0627 \u062a\u0631\u06a9\u06cc\u0628\u06cc. 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