{"id":15811,"date":"2024-01-17T11:59:08","date_gmt":"2024-01-17T08:29:08","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/"},"modified":"2024-01-17T11:59:08","modified_gmt":"2024-01-17T08:29:08","slug":"map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/","title":{"rendered":"map()\u060c filter() \u0648 reduce() \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 Examples"},"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\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/#%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\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/#%d8%aa%d8%a7%d8%a8%d8%b9_map\" >\u062a\u0627\u0628\u0639 map().<\/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\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/#%d8%aa%d8%a7%d8%a8%d8%b9_filter\" >\u062a\u0627\u0628\u0639 filter().<\/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\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/#%d8%aa%d8%a7%d8%a8%d8%b9_reduce\" >\u062a\u0627\u0628\u0639 ()reduce<\/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\/map%d8%8c-filter-%d9%88-reduce-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-examples\/#%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=\"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>\u0631\u0627 <code>map()<\/code>\u060c <code>filter()<\/code> \u0648 <code>reduce()<\/code> \u062a\u0648\u0627\u0628\u0639 \u06a9\u0645\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u06cc \u0622\u0648\u0631\u0646\u062f.  \u0647\u0631 \u0633\u0647 \u0627\u06cc\u0646\u0647\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627\u062d\u062a\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 List Comprehension \u06cc\u0627 \u062d\u0644\u0642\u0647 \u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f\u06cc \u0638\u0631\u06cc\u0641 \u062a\u0631 \u0648 \u06a9\u0648\u062a\u0627\u0647 \u062a\u0631 \u0628\u0631\u0627\u06cc \u0628\u0631\u062e\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<p>\u0642\u0628\u0644 \u0627\u0632 \u0627\u062f\u0627\u0645\u0647\u060c \u0628\u0647 \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0642\u0628\u0644 \u0627\u0632 \u0645\u0637\u0627\u0644\u0639\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0630\u06a9\u0631 \u0634\u062f\u0647 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0622\u0646\u0647\u0627 \u0622\u0634\u0646\u0627 \u0628\u0627\u0634\u06cc\u062f:<\/p>\n<blockquote>\n<p>\u062a\u0627\u0628\u0639\/\u0631\u0648\u0634 \u0646\u0627\u0634\u0646\u0627\u0633 \u06cc\u0627 \u0644\u0627\u0645\u0628\u062f\u0627 \u0686\u06cc\u0633\u062a\u061f<\/p>\n<\/blockquote>\n<p>\u06cc\u06a9 \u0645\u062a\u062f \u0646\u0627\u0634\u0646\u0627\u0633 \u0645\u062a\u062f\u06cc \u0628\u062f\u0648\u0646 \u0646\u0627\u0645 \u0627\u0633\u062a\u060c \u06cc\u0639\u0646\u06cc \u0628\u0647 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u062d\u062f\u0648\u062f \u0646\u0645\u06cc \u0634\u0648\u062f \u0645\u0627\u0646\u0646\u062f \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u06cc\u06a9 \u0645\u062a\u062f \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u0645. <code>def method:<\/code>.<\/p>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u06af\u0631\u0686\u0647 \u0627\u06a9\u062b\u0631 \u0645\u0631\u062f\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0635\u0637\u0644\u0627\u062d\u0627\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f <em>&#8220;\u0639\u0645\u0644\u06a9\u0631\u062f \u0646\u0627\u0634\u0646\u0627\u0633&#8221;<\/em> \u0648 <em>&#8220;\u062a\u0627\u0628\u0639 \u0644\u0627\u0645\u0628\u062f\u0627&#8221;<\/em> \u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9\u062f\u06cc\u06af\u0631 &#8211; \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0646\u06cc\u0633\u062a\u0646\u062f.  \u0627\u06cc\u0646 \u0627\u0634\u062a\u0628\u0627\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u06a9\u0647 \u062f\u0631 \u0627\u06a9\u062b\u0631 \u0632\u0628\u0627\u0646 \u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0644\u0627\u0645\u0628\u062f\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f <em>\u0647\u0633\u062a\u0646\u062f<\/em> \u0646\u0627\u0634\u0646\u0627\u0633 \u0648 \u0647\u0645\u0647 \u062a\u0648\u0627\u0628\u0639 \u0646\u0627\u0634\u0646\u0627\u0633 <em>\u0647\u0633\u062a\u0646\u062f<\/em> \u0644\u0627\u0645\u0628\u062f\u0627  \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0645\u0627\u06cc\u0632 \u0646\u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a.<\/p>\n<blockquote>\n<p>\u0646\u062d\u0648 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0644\u0627\u0645\u0628\u062f\u0627 (\u06cc\u0627 \u0639\u0645\u0644\u06af\u0631 \u0644\u0627\u0645\u0628\u062f\u0627) \u0686\u06cc\u0633\u062a\u061f<\/p>\n<\/blockquote>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">lambda<\/span> arguments: expression\n<\/code><\/pre>\n<p>\u0644\u0627\u0645\u0628\u062f\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062a\u06a9 \u062e\u0637\u06cc \u0628\u062f\u0648\u0646 \u0646\u0627\u0645 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.  \u0622\u0646\u0647\u0627 \u0639\u0645\u0644\u0627\u064b \u0645\u0627\u0646\u0646\u062f \u0647\u0631 \u0631\u0648\u0634 \u062f\u06cc\u06af\u0631\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">add<\/span>(<span class=\"hljs-params\">x,y<\/span>):<\/span>\n    <span class=\"hljs-keyword\">return<\/span> x + y\n<\/code><\/pre>\n<p>\u0642\u0627\u0628\u0644 \u062a\u0631\u062c\u0645\u0647 \u0628\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">lambda<\/span> x, y: x + y\n<\/code><\/pre>\n<p>\u0644\u0627\u0645\u0628\u062f\u0627\u0647\u0627 \u0628\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0639\u0645\u0648\u0644\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u062a\u0641\u0627\u0648\u062a \u0647\u0633\u062a\u0646\u062f \u0632\u06cc\u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0641\u0642\u0637 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062d\u0627\u0648\u06cc \u0647\u06cc\u0686 \u0639\u0628\u0627\u0631\u062a \u0628\u0627\u0634\u0646\u062f \u0648 \u0646\u0648\u0639 \u0628\u0627\u0632\u06af\u0634\u062a \u0622\u0646\u0647\u0627 \u06cc\u06a9 \u0627\u0633\u062a. <code>function<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062e\u0637 \u06a9\u062f \u0628\u0627\u0644\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0631 \u0646\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>x + y<\/code> \u0627\u0645\u0627 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u06a9\u0646\u062f <code>x + y<\/code>.<\/p>\n<blockquote>\n<p>\u0686\u0631\u0627 \u0644\u0627\u0645\u0628\u062f\u0627\u0647\u0627 \u0645\u0631\u062a\u0628\u0637 \u0647\u0633\u062a\u0646\u062f <code>map()<\/code>\u060c <code>filter()<\/code> \u0648 <code>reduce()<\/code>?<\/p>\n<\/blockquote>\n<p>\u0647\u0631 \u0633\u0647 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0627\u0646\u062a\u0638\u0627\u0631 \u062f\u0627\u0631\u0646\u062f \u0627\u0644\u0641 <code>function<\/code> \u0634\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646  \u0627\u06cc\u0646 <code>function<\/code> \u0634\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0645\u062a\u062f \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0627 \u0646\u0627\u0645 (\u0645\u0627\u0646\u0646\u062f <code>def add(x,y)<\/code>).<\/p>\n<p>\u0627\u06af\u0631\u0686\u0647\u060c \u0627\u063a\u0644\u0628\u060c \u062a\u0648\u0627\u0628\u0639 \u0628\u0647 <code>map()<\/code>\u060c <code>filter()<\/code>\u060c \u0648 <code>reduce()<\/code> \u0622\u0646\u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0634\u0645\u0627 \u0641\u0642\u0637 \u06cc\u06a9 \u0628\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0647\u06cc\u0686 \u0641\u0627\u06cc\u062f\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0642\u0627\u0628\u0644 \u0627\u0631\u062c\u0627\u0639 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u062e\u0648\u062f <code>map()<\/code>\/<code>filter()<\/code>\/<code>reduce()<\/code> \u0646\u06cc\u0627\u0632\u0647\u0627 &#8211; \u0631\u0627\u0647 \u062d\u0644 \u0638\u0631\u06cc\u0641 \u062a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0648\u062a\u0627\u0647\u060c \u06cc\u06a9\u0628\u0627\u0631 \u0645\u0635\u0631\u0641 \u0648 \u0646\u0627\u0634\u0646\u0627\u0633 \u0627\u0633\u062a \u06a9\u0647 \u0641\u0642\u0637 \u06cc\u06a9 \u0628\u0627\u0631 \u0648 \u062f\u06cc\u06af\u0631 \u0647\u0631\u06af\u0632 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f &#8211; \u0644\u0627\u0645\u0628\u062f\u0627.<\/p>\n<h2 id=\"themapfunction\"><span class=\"ez-toc-section\" id=\"%d8%aa%d8%a7%d8%a8%d8%b9_map\"><\/span>\u062a\u0627\u0628\u0639 map().<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0631\u0627 <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062a\u0645\u0627\u0645 \u0622\u06cc\u062a\u0645 \u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u06cc \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f <code>function<\/code> \u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u062a\u0635\u0648\u06cc\u0628 \u06a9\u0631\u062f\u06cc\u0645 \u0631\u0648\u06cc \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0622\u0646\u0647\u0627.<\/p>\n<p>\u0646\u062d\u0648 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a \u0627\u0632:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">map<\/span>(function, iterable(s))\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u067e\u0633 \u0627\u0632 \u0639\u0628\u0648\u0631 \u0627\u0632 \u0647\u0631 \u062a\u0639\u062f\u0627\u062f \u0634\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u06a9\u0647 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0639\u0628\u0648\u0631 \u062f\u0647\u06cc\u0645 <code>function<\/code> \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">starts_with_A<\/span>(<span class=\"hljs-params\">s<\/span>):<\/span>\n    <span class=\"hljs-keyword\">return<\/span> s(<span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-string\">\"A\"<\/span>\n\nfruit = (<span class=\"hljs-string\">\"Apple\"<\/span>, <span class=\"hljs-string\">\"Banana\"<\/span>, <span class=\"hljs-string\">\"Pear\"<\/span>, <span class=\"hljs-string\">\"Apricot\"<\/span>, <span class=\"hljs-string\">\"Orange\"<\/span>)\nmap_object = <span class=\"hljs-built_in\">map<\/span>(starts_with_A, fruit)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(map_object))\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06a9\u062f \u0646\u062a\u06cc\u062c\u0647 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f:<\/p>\n<pre><code class=\"hljs\">(True, False, False, True, False)\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645\u060c \u0645\u0627 \u0628\u0647 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f\u06cc \u0631\u0633\u06cc\u062f\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u0627\u0628\u0639 \u0627\u0633\u062a <code>starts_with_A()<\/code> \u0628\u0631\u0627\u06cc \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0644\u06cc\u0633\u062a \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0634\u062f <code>fruit<\/code>.  \u0646\u062a\u0627\u06cc\u062c \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647 \u0634\u062f.<\/p>\n<p>\u06cc\u06a9 \u0631\u0627\u0647 \u0632\u06cc\u0628\u0627\u062a\u0631 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062f\u0642\u06cc\u0642\u0627\u064b \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u0627\u0645\u0628\u062f\u0627 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\">fruit = (<span class=\"hljs-string\">\"Apple\"<\/span>, <span class=\"hljs-string\">\"Banana\"<\/span>, <span class=\"hljs-string\">\"Pear\"<\/span>, <span class=\"hljs-string\">\"Apricot\"<\/span>, <span class=\"hljs-string\">\"Orange\"<\/span>)\nmap_object = <span class=\"hljs-built_in\">map<\/span>(<span class=\"hljs-keyword\">lambda<\/span> s: s(<span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-string\">\"A\"<\/span>, fruit)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(map_object))\n<\/code><\/pre>\n<p>\u0645\u0627 \u0647\u0645\u0627\u0646 \u062e\u0631\u0648\u062c\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">(True, False, False, True, False)\n<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u0627 \u0628\u0627\u0632\u06cc\u06af\u0631\u0627\u0646 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <code>map_object<\/code> \u0628\u0647 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u0647 print \u0627\u0631\u0632\u0634 \u0647\u0631 \u0639\u0646\u0635\u0631  \u0645\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062a\u0645\u0627\u0633 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u06cc\u0645 <code>print()<\/code> \u0631\u0648\u06cc  \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u062e\u0648\u0627\u0647\u062f \u0634\u062f print \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u0627\u0642\u0639\u06cc \u0639\u0646\u0627\u0635\u0631  \u0635\u062f\u0627 \u0632\u062f\u0646 <code>print()<\/code> \u0631\u0648\u06cc <code>map_object<\/code>  \u062e\u0648\u0627\u0647\u062f \u0634\u062f print \u062f\u0631 \u0639\u0648\u0636 \u0622\u062f\u0631\u0633 \u0647\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631.<\/p>\n<p>\u0631\u0627 <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>map_object<\/code> \u0646\u0648\u0639\u060c \u06a9\u0647 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0627\u0633\u062a \u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0686\u0627\u067e \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">for<\/span> value <span class=\"hljs-keyword\">in<\/span> map_object:\n    <span class=\"hljs-built_in\">print<\/span>(value)\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0634\u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f <code>map()<\/code> \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u0647 \u062c\u0627\u06cc \u0622\u0646\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0647\u0646\u06af\u0627\u0645 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0627\u0628\u0639 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">result_list = <span class=\"hljs-built_in\">list<\/span>(<span class=\"hljs-built_in\">map<\/span>(<span class=\"hljs-keyword\">lambda<\/span> s: s(<span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-string\">\"A\"<\/span>, fruit))\n<\/code><\/pre>\n<h2 id=\"thefilterfunction\"><span class=\"ez-toc-section\" id=\"%d8%aa%d8%a7%d8%a8%d8%b9_filter\"><\/span>\u062a\u0627\u0628\u0639 filter().<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0634\u0628\u06cc\u0647 \u0628\u0647 <code>map()<\/code>\u060c <code>filter()<\/code> \u0627\u0644\u0641 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>function<\/code> \u0634\u06cc \u0648 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0648 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645\u0634 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c <code>filter()<\/code> \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0631\u0627 \u062a\u0634\u06a9\u06cc\u0644 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u0639\u0646\u0627\u0635\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f <code>function<\/code> \u0645\u0627 \u0628\u0627\u0632\u062f\u0647 \u06af\u0630\u0634\u062a <code>True<\/code>.<\/p>\n<p>\u0646\u062d\u0648 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a \u0627\u0632:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">filter<\/span>(function, iterable(s))\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062b\u0627\u0644 \u0642\u0628\u0644\u06cc\u060c \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0641\u0642\u0637 \u062d\u0627\u0648\u06cc \u0639\u0646\u0627\u0635\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 <code>starts_with_A()<\/code> \u062a\u0627\u0628\u0639 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <code>True<\/code>:<\/p>\n<pre><code class=\"hljs\">\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">starts_with_A<\/span>(<span class=\"hljs-params\">s<\/span>):<\/span>\n    <span class=\"hljs-keyword\">return<\/span> s(<span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-string\">\"A\"<\/span>\n\nfruit = (<span class=\"hljs-string\">\"Apple\"<\/span>, <span class=\"hljs-string\">\"Banana\"<\/span>, <span class=\"hljs-string\">\"Pear\"<\/span>, <span class=\"hljs-string\">\"Apricot\"<\/span>, <span class=\"hljs-string\">\"Orange\"<\/span>)\nfilter_object = <span class=\"hljs-built_in\">filter<\/span>(starts_with_A, fruit)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(filter_object))\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0644\u06cc\u0633\u062a \u06a9\u0648\u062a\u0627\u0647 \u062a\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">('Apple', 'Apricot')\n<\/code><\/pre>\n<p>\u06cc\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u0627\u0645\u0628\u062f\u0627 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">fruit = (<span class=\"hljs-string\">\"Apple\"<\/span>, <span class=\"hljs-string\">\"Banana\"<\/span>, <span class=\"hljs-string\">\"Pear\"<\/span>, <span class=\"hljs-string\">\"Apricot\"<\/span>, <span class=\"hljs-string\">\"Orange\"<\/span>)\nfilter_object = <span class=\"hljs-built_in\">filter<\/span>(<span class=\"hljs-keyword\">lambda<\/span> s: s(<span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-string\">\"A\"<\/span>, fruit)\n\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(filter_object))\n<\/code><\/pre>\n<p>\u0686\u0627\u067e \u0647\u0645\u0627\u0646 \u062e\u0631\u0648\u062c\u06cc \u0631\u0627 \u0628\u0647 \u0645\u0627 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\">('Apple', 'Apricot')\n<\/code><\/pre>\n<h2 id=\"thereducefunction\"><span class=\"ez-toc-section\" id=\"%d8%aa%d8%a7%d8%a8%d8%b9_reduce\"><\/span>\u062a\u0627\u0628\u0639 ()reduce<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>reduce()<\/code>  \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0632 <code>map()<\/code> \u0648 <code>filter()<\/code>.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u062c\u062f\u06cc\u062f \u0628\u0631 \u0627\u0633\u0627\u0633 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u0631\u0648\u06cc \u0631\u0627 <code>function<\/code> \u0648 \u062a\u06a9\u0631\u0627\u0631\u06cc \u0645\u0627 \u06af\u0630\u0634\u062a.  \u062f\u0631 \u0639\u0648\u0636\u060c \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u062d\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 3 <code>reduce()<\/code> \u062f\u06cc\u06af\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062f\u0627\u062e\u0644\u06cc \u0646\u06cc\u0633\u062a \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0631 <code>functools<\/code> \u0645\u062f\u0648\u0644.<\/p>\n<p>\u0646\u062d\u0648 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a \u0627\u0632:<\/p>\n<pre><code class=\"hljs\">reduce(function, sequence(, initial))\n<\/code><\/pre>\n<p><code>reduce()<\/code>  \u0628\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f <code>function<\/code> \u0645\u0627 \u0628\u0631\u0627\u06cc \u062f\u0648 \u0645\u0648\u0631\u062f \u0627\u0648\u0644 \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u06af\u0630\u0634\u062a\u06cc\u0645.  \u0646\u062a\u06cc\u062c\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 <code>function<\/code> \u062f\u0631 \u062a\u0645\u0627\u0633 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>function<\/code> \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0639\u0646\u0635\u0631 \u0628\u0639\u062f\u06cc (\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0633\u0648\u0645)<\/p>\n<p>\u0627\u06cc\u0646 process \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc <code>initial<\/code> \u062f\u0631 \u0635\u0648\u0631\u062a \u0648\u062c\u0648\u062f\u060c \u062f\u0631 \u0627\u0628\u062a\u062f\u0627\u06cc \u0627\u06cc\u0646 &#8220;\u062d\u0644\u0642\u0647&#8221; \u0628\u0627 \u0627\u0648\u0644\u06cc\u0646 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0627\u0648\u0644\u06cc\u0646 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <code>function<\/code>.  \u0628\u0647 \u0646\u0648\u0639\u06cc\u060c <code>initial<\/code> \u0639\u0646\u0635\u0631 0\u0645\u06cc\u0646 \u0639\u0646\u0635\u0631 \u0627\u0633\u062a\u060c \u0642\u0628\u0644 \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0639\u0646\u0635\u0631\u060c \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0631\u0627\u0626\u0647.<\/p>\n<p><code>reduce()<\/code>  \u062f\u0631\u06a9 \u06a9\u0645\u06cc \u0633\u062e\u062a \u062a\u0631 \u0627\u0632 <code>map()<\/code> \u0648 <code>filter()<\/code>\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<ol>\n<li>\n<p>\u0645\u0627 \u0628\u0627 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>(2, 4, 7, 3)<\/code> \u0648 \u0639\u0628\u0648\u0631 \u06a9\u0646\u06cc\u062f <code>add(x, y)<\/code> \u062a\u0627\u0628\u0639 \u0628\u0647 <code>reduce()<\/code> \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0627\u06cc\u0646 \u0644\u06cc\u0633\u062a\u060c \u0628\u062f\u0648\u0646 <code>initial<\/code> \u0627\u0631\u0632\u0634<\/p>\n<\/li>\n<li>\n<p><code>reduce()<\/code>  \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>add(2, 4)<\/code>\u060c \u0648 <code>add()<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>6<\/code><\/p>\n<\/li>\n<li>\n<p><code>reduce()<\/code>  \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>add(6, 7)<\/code> (\u0646\u062a\u06cc\u062c\u0647 \u062a\u0645\u0627\u0633 \u0642\u0628\u0644\u06cc \u0628\u0647 <code>add()<\/code> \u0648 \u0639\u0646\u0635\u0631 \u0628\u0639\u062f\u06cc \u062f\u0631 \u0644\u06cc\u0633\u062a \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631)\u060c \u0648 <code>add()<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>13<\/code><\/p>\n<\/li>\n<li>\n<p><code>reduce()<\/code>  \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u062f <code>add(13, 3)<\/code>\u060c \u0648 <code>add()<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>16<\/code><\/p>\n<\/li>\n<li>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0647\u06cc\u0686 \u0639\u0646\u0635\u0631 \u062f\u06cc\u06af\u0631\u06cc \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647 \u0628\u0627\u0642\u06cc \u0646\u0645\u0627\u0646\u062f\u0647 \u0627\u0633\u062a\u060c <code>reduce()<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>16<\/code><\/p>\n<\/li>\n<\/ol>\n<p>\u062a\u0646\u0647\u0627 \u062a\u0641\u0627\u0648\u062a\u060c \u0627\u06af\u0631 \u0645\u0627 \u062f\u0627\u062f\u0647 \u0628\u0648\u062f\u06cc\u0645 <code>initial<\/code> \u0627\u0631\u0632\u0634 \u06cc\u06a9 \u0645\u0631\u062d\u0644\u0647 \u0627\u0636\u0627\u0641\u06cc \u0628\u0648\u062f &#8211; <strong>1.5.<\/strong> \u062c\u0627\u06cc\u06cc \u06a9\u0647 <code>reduce()<\/code> \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>add(initial, 2)<\/code> \u0648 \u0627\u0632 \u0622\u0646 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>2<\/strong>.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>reduce()<\/code> \u062a\u0627\u0628\u0639:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> functools <span class=\"hljs-keyword\">import<\/span> reduce\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">add<\/span>(<span class=\"hljs-params\">x, y<\/span>):<\/span>\n    <span class=\"hljs-keyword\">return<\/span> x + y\n\n<span class=\"hljs-built_in\">list<\/span> = (<span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">3<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(reduce(add, <span class=\"hljs-built_in\">list<\/span>))\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\">16\n<\/code><\/pre>\n<p>\u0628\u0627\u0632 \u0647\u0645\u060c \u0627\u06cc\u0646 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u0627\u0645\u0628\u062f\u0627 \u0646\u0648\u0634\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">from<\/span> functools <span class=\"hljs-keyword\">import<\/span> reduce\n\n<span class=\"hljs-built_in\">list<\/span> = (<span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">3<\/span>)\n<span class=\"hljs-built_in\">print<\/span>(reduce(<span class=\"hljs-keyword\">lambda<\/span> x, y: x + y, <span class=\"hljs-built_in\">list<\/span>))\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"With an initial value: \"<\/span> + <span class=\"hljs-built_in\">str<\/span>(reduce(<span class=\"hljs-keyword\">lambda<\/span> x, y: x + y, <span class=\"hljs-built_in\">list<\/span>, <span class=\"hljs-number\">10<\/span>)))\n<\/code><\/pre>\n<p>\u0648 \u06a9\u062f \u0628\u0647 \u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n<pre><code class=\"hljs\">16\nWith an initial value: 26\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>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627 \u0630\u06a9\u0631 \u0634\u062f\u060c \u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627\u062d\u062a\u06cc \u0647\u0633\u062a\u0646\u062f.  \u0622\u0646\u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f\u0647\u0627\u06cc \u062f\u0633\u062a \u0648 \u067e\u0627 \u06af\u06cc\u0631\u062a\u0631 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0627\u0632 \u0622\u0646\u0647\u0627 \u0648 \u0639\u0628\u0627\u0631\u0627\u062a \u0644\u0627\u0645\u0628\u062f\u0627 \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627 \u0631\u0627 \u0645\u062c\u0628\u0648\u0631 \u0646\u06a9\u0646\u06cc\u062f \u0632\u06cc\u0631\u0627 &#8220;\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f&#8221;\u060c \u0632\u06cc\u0631\u0627 \u0627\u063a\u0644\u0628 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u062f\u0647\u0627\u06cc \u0646\u0627\u062e\u0648\u0627\u0646\u0627 \u0634\u0648\u062f \u06a9\u0647 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0622\u0646 \u0633\u062e\u062a \u0627\u0633\u062a.  \u0641\u0642\u0637 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u0634\u062e\u0635 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc \u0627\u0641\u062a\u062f \u0631\u0648\u06cc \u0628\u0647 \u0645\u062d\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 \u062a\u0627\u0628\u0639 \u06cc\u0627 \u0639\u0628\u0627\u0631\u062a \u0644\u0627\u0645\u0628\u062f\u0627 \u0646\u06af\u0627\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0642\u0644\u0627 \u0628\u0631\u0627\u06cc \u062a\u0637\u0628\u06cc\u0642 \u0645\u0646\u0637\u0642 \u0644\u0627\u0632\u0645 \u062f\u0631 \u06cc\u06a9 \u0645\u0646\u0637\u0642 \u0647\u0633\u062a\u06cc\u062f <code>map()<\/code> \u062a\u0627\u0628\u0639\u060c \u06cc\u0627 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0644\u0627\u0645\u0628\u062f\u0627\u060c \u062e\u06cc\u0644\u06cc \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0641\u0642\u0637 \u06cc\u06a9 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062d\u0644\u0642\u0647\/\u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u06a9\u0645\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc\u200c\u062a\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u0628\u0639\u062f\u0627\u064b \u0627\u0632 \u0633\u0631\u062f\u0631\u06af\u0645\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\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 1403-01-17 11:59:03<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;15811&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;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;1&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;1\\\/5 (1 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;map()\u060c filter() \u0648 reduce() \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 Examples&quot;,&quot;width&quot;:&quot;32.5&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: 32.5px;\">\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            1\/5 (1 \u0631\u0627\u06cc)    <\/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>\u0645\u0639\u0631\u0641\u06cc \u0631\u0627 map()\u060c filter() \u0648 reduce() \u062a\u0648\u0627\u0628\u0639 \u06a9\u0645\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0645\u06cc \u0622\u0648\u0631\u0646\u062f. \u0647\u0631 \u0633\u0647 \u0627\u06cc\u0646\u0647\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u0627\u062d\u062a\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 List Comprehension \u06cc\u0627 \u062d\u0644\u0642\u0647 \u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f\u06cc \u0638\u0631\u06cc\u0641 \u062a\u0631 \u0648 \u06a9\u0648\u062a\u0627\u0647 \u062a\u0631 \u0628\u0631\u0627\u06cc \u0628\u0631\u062e\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f. \u0642\u0628\u0644 \u0627\u0632 \u0627\u062f\u0627\u0645\u0647\u060c \u0628\u0647 \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 \u06a9\u0647 [&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":[1749,2316,3803,2461,1748,1747,4220,1754,1751,1779,1744,2750,1752],"class_list":["post-15811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-programming","tag-python","tag-examples","tag-filter","tag-map","tag-python-hosting","tag-python-vps","tag-reduce","tag-1754","tag-1751","tag-1779","tag-1744","tag-2750","tag-1752"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15811","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=15811"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15811\/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=15811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=15811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=15811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}