{"id":17514,"date":"2024-06-18T01:35:21","date_gmt":"2024-06-17T22:05:21","guid":{"rendered":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/"},"modified":"2024-06-18T01:35:21","modified_gmt":"2024-06-17T22:05:21","slug":"%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/","title":{"rendered":"\u0631\u0648\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u2013 \u0628\u0627 \u0645\u062b\u0627\u0644 \u06a9\u062f"},"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\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#1_%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%a7%d8%b3%d8%aa%d8%ab%d9%86%d8%a7%d8%a6%d8%a7%d8%aa_keyerror_%d8%a8%d8%a7_try-except_%d8%a8%d9%84%d9%88%da%a9_%d9%87%d8%a7\" >1. \u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u0627\u062a KeyError \u0628\u0627 try-except \u0628\u0644\u0648\u06a9 \u0647\u0627<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#%da%86%d9%87_%d8%b2%d9%85%d8%a7%d9%86%db%8c_%db%8c%da%a9_%d8%ae%d8%b7%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c_%d8%b1%d8%ae_%d9%85%db%8c_%d8%af%d9%87%d8%af%d8%9f\" >\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u06cc\u06a9 \u062e\u0637\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0631\u062e \u0645\u06cc \u062f\u0647\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%a7%d8%b3%d8%aa%d8%ab%d9%86%d8%a7%d8%a1_%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c\" >\u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc<\/a><\/li><\/ul><\/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\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#2_%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_get_%d8%b1%d9%88%d8%b4_%d8%af%db%8c%da%a9%d8%b4%d9%86%d8%b1%db%8c\" >2. \u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 get() \u0631\u0648\u0634 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc<\/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\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#3_%d8%b1%d9%88%d8%b4_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_defaultdict_%d8%a7%d8%b2_collections_%d9%85%d8%af%d9%88%d9%84\" >3. \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 defaultdict \u0627\u0632 collections \u0645\u062f\u0648\u0644<\/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\/%d8%b1%d9%88%d8%b4-%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c-%da%a9%d9%84%db%8c%d8%af%db%8c-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7\/#%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<section class=\"post-content \" data-test-label=\"post-content\">\n<p>\u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u0622\u0646 \u0628\u0631\u062e\u0648\u0631\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f <code>KeyError<\/code> \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627.<\/p>\n<p>\u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u062c\u0641\u062a \u0647\u0627\u06cc \u0627\u0631\u0632\u0634 \u06a9\u0644\u06cc\u062f\u06cc \u0647\u0633\u062a\u0646\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u06cc\u062f \u0645\u0631\u0628\u0648\u0637\u0647 \u0645\u0627\u0646\u0646\u062f \u0632\u06cc\u0631\u060c \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u062b\u0627\u0628\u062a \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f: <code>dict[key]<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>value<\/code>.  \u0627\u0645\u0627 \u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0686\u0647\u061f  \u062e\u0648\u0628\u060c \u0622\u0646 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u06cc\u06a9 <code>KeyError<\/code> \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646<\/p>\n<p>\u0686\u0646\u062f \u0631\u0627\u0647 \u0645\u062e\u062a\u0644\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0686\u0646\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f\u06cc \u06a9\u0646\u0627\u0631 \u0628\u06cc\u0627\u06cc\u06cc\u062f <code>KeyError<\/code> \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627.  \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f \u06cc\u0627 \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u062e\u0627\u0635\u06cc \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0627\u0632 \u062f\u0633\u062a \u0631\u0641\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0648 \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0628\u0627 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0632\u06cc\u0631 \u0646\u06af\u0627\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f:<\/p>\n<ul>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <code>try-except<\/code> \u0628\u0644\u0648\u06a9 \u0647\u0627<\/li>\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc <code>get()<\/code><\/li>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <code>defaultdict<\/code> \u0627\u0632 <code>collections<\/code> \u0645\u062f\u0648\u0644<\/li>\n<\/ul>\n<p>\u0628\u06cc\u0627 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"1-how-to-handle-keyerror-exceptions-with-try-except-blocks\"><span class=\"ez-toc-section\" id=\"1_%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%a7%d8%b3%d8%aa%d8%ab%d9%86%d8%a7%d8%a6%d8%a7%d8%aa_keyerror_%d8%a8%d8%a7_try-except_%d8%a8%d9%84%d9%88%da%a9_%d9%87%d8%a7\"><\/span>1. \u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u0627\u062a KeyError \u0628\u0627 <code>try-except<\/code> \u0628\u0644\u0648\u06a9 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0645\u0631\u0648\u0631 \u0632\u0645\u0627\u0646 \u0648\u0642\u0648\u0639 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0648 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u0627\u062a \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u0645\u060c \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645 <code>try-except<\/code> \u0628\u0644\u0648\u06a9 \u0647\u0627<\/p>\n<h3 id=\"when-does-a-keyerror-occur\"><span class=\"ez-toc-section\" id=\"%da%86%d9%87_%d8%b2%d9%85%d8%a7%d9%86%db%8c_%db%8c%da%a9_%d8%ae%d8%b7%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c_%d8%b1%d8%ae_%d9%85%db%8c_%d8%af%d9%87%d8%af%d8%9f\"><\/span>\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u06cc\u06a9 \u062e\u0637\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0631\u062e \u0645\u06cc \u062f\u0647\u062f\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c a <code>KeyError<\/code> \u0627\u0633\u062a\u062b\u0646\u0627 \u0632\u0645\u0627\u0646\u06cc \u0631\u062e \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0634\u0645\u0627 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u06a9\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.  \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>books<\/code> \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a:<\/p>\n<pre><code class=\"language-Python\">books = {\n\t\"1984\": \"George Orwell\",\n\t\"To Kill a Mockingbird\": \"Harper Lee\",\n\t\"The Great Gatsby\": \"F. Scott Fitzgerald\"\n}\n<\/code><\/pre>\n<p>\u062f\u0631 <code>books<\/code> \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a\u060c \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0639\u0646\u0627\u0648\u06cc\u0646 \u06a9\u062a\u0627\u0628 \u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u0645 \u0646\u0648\u06cc\u0633\u0646\u062f\u06af\u0627\u0646 \u0627\u0633\u062a.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0648\u06cc\u0633\u0646\u062f\u0647 \u06a9\u062a\u0627\u0628 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0646\u0648\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062d\u0627\u0644 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0633\u0639\u06cc \u06a9\u0646\u06cc\u0645 \u0646\u0648\u06cc\u0633\u0646\u062f\u0647 \u06a9\u062a\u0627\u0628\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"language-Python\">print(books[\"Brave New World\"])<\/code><\/pre>\n<p>\u0628\u0627 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u062f <code>KeyError<\/code> \u0627\u0633\u062a\u062b\u0646\u0627:<\/p>\n<pre><code>Traceback (most recent call last):\n  File \"\/home\/balapriya\/keyerror\/main.py\", line 7, in &lt;module&gt;\n\tprint(books[\"Brave New World\"])\n      \t~~~~~^^^^^^^^^^^^^^^^^^^\nKeyError: 'Brave New World'\n<\/code><\/pre>\n<h3 id=\"how-to-handle-keyerror-exceptions\"><span class=\"ez-toc-section\" id=\"%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%a7%d8%b3%d8%aa%d8%ab%d9%86%d8%a7%d8%a1_%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c\"><\/span>\u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0634\u0645\u0627 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0639\u0647\u062f\u0647 \u0686\u0646\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f\u06cc \u0628\u0631\u0622\u06cc\u06cc\u062f <code>KeyError<\/code> \u0627\u0633\u062a\u062b\u0646\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>try-except<\/code> \u0628\u0644\u0648\u06a9 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646:<\/p>\n<pre><code class=\"language-Python\">try:\n\tvalue = dictionary[key]\nexcept KeyError:\n\tvalue = default_value\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646\u062c\u0627:<\/p>\n<ul>\n<li>\u0645\u0627 \u0628\u0644\u0648\u06a9 \u06a9\u062f\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f \u062f\u0631 \u0628\u0644\u0648\u06a9 try \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u06cc\u0645.  \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06a9\u0644\u06cc\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645.<\/li>\n<li>\u0627\u06af\u0631 \u06cc\u06a9 <code>KeyError<\/code> \u0645\u0637\u0631\u062d \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 <code>except<\/code> \u0628\u0627 \u0627\u062e\u062a\u0635\u0627\u0635 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0645\u0633\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n<p>\u0628\u0631\u0627\u06cc <code>books<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a\u060c \u0645\u0627 \u062f\u0627\u0631\u06cc\u0645:<\/p>\n<pre><code class=\"language-Python\">books = {\n\t\"1984\": \"George Orwell\",\n\t\"To Kill a Mockingbird\": \"Harper Lee\",\n\t\"The Great Gatsby\": \"F. Scott Fitzgerald\"\n}\n\ntry:\n    # Try to access the key \"Brave New World\"\n\tauthor = books[\"Brave New World\"]  \n    # Catch the KeyError if the key does not exist\nexcept KeyError:  \n\tauthor = \"Book not found\"  \n\nprint(author) \n<\/code><\/pre>\n<p>\u0645\u0627 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u062f\u0648\u0628\u0627\u0631\u0647 \u0646\u0648\u06cc\u0633\u0646\u062f\u0647 \u00ab\u062f\u0646\u06cc\u0627\u06cc \u062c\u062f\u06cc\u062f \u0634\u062c\u0627\u0639\u00bb \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u0645.  \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0628\u0627\u0631 <code>KeyError<\/code> \u0628\u0644\u0648\u06a9 \u063a\u06cc\u0631 \u0631\u0627 \u0641\u0639\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 &#8220;\u06a9\u062a\u0627\u0628 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f&#8221; \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<pre><code class=\"language-Python\">Output &gt;&gt;&gt; Book not found\n<\/code><\/pre>\n<h2 id=\"2-how-to-handle-keyerrors-using-the-get-dictionary-method\"><span class=\"ez-toc-section\" id=\"2_%d8%b1%d9%88%d8%b4_%d8%b1%d8%b3%db%8c%d8%af%da%af%db%8c_%d8%a8%d9%87_%d8%ae%d8%b7%d8%a7%d9%87%d8%a7%db%8c_%da%a9%d9%84%db%8c%d8%af%db%8c_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_get_%d8%b1%d9%88%d8%b4_%d8%af%db%8c%da%a9%d8%b4%d9%86%d8%b1%db%8c\"><\/span>2. \u0631\u0648\u0634 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>get()<\/code> \u0631\u0648\u0634 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0631\u0627\u0647 \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0627\u0632 \u062f\u0633\u062a \u0631\u0641\u062a\u0647 \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u0627\u0633\u062a\u062b\u0646\u0627\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a <code>get()<\/code> \u0631\u0648\u0634 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a <\/p>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>get()<\/code> \u0631\u0648\u0634 \u0631\u0648\u06cc \u0647\u0631 \u0634\u06cc\u0621 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0645\u0639\u062a\u0628\u0631  \u0631\u0627 <code>get()<\/code> \u0645\u062a\u062f \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u0648\u062c\u0648\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f &#8211; \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"language-Python\">value = dictionary.get(key, default_value)<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u0635\u0644\u060c <code>get()<\/code> \u0631\u0648\u0634 \u062a\u0644\u0627\u0634 \u0645\u06cc \u06a9\u0646\u062f <em>\u06af\u0631\u0641\u062a\u0646<\/em> \u0645\u0642\u062f\u0627\u0631 \u06a9\u0644\u06cc\u062f \u0645\u0634\u062e\u0635 \u0634\u062f\u0647:<\/p>\n<ul>\n<li>\u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u0642\u062f\u0627\u0631 \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. <\/li>\n<li>\u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>default_value<\/code>.<\/li>\n<\/ul>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0632 <code>get()<\/code> \u0631\u0648\u0634 \u0631\u0648\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u06a9\u062a\u0627\u0628  \u062f\u0631 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u062a\u062f\u060c \u00abBook not found\u00bb \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. <\/p>\n<pre><code class=\"language-Python\">books = {\n\t\"1984\": \"George Orwell\",\n\t\"To Kill a Mockingbird\": \"Harper Lee\",\n\t\"The Great Gatsby\": \"F. Scott Fitzgerald\"\n}\n\n# Try to get the value for \"Brave New World\"\nauthor = books.get(\"Brave New World\", \"Book not found\")  \nprint(author)  \n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc \u0631\u0648\u062f\u060c \u0628\u0627\u06cc\u062f \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"language-Python\">Output &gt;&gt;&gt; Book not found<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/strong>: <code>get()<\/code> \u0631\u0648\u0634 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0627\u0635\u0644\u06cc \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u062f\u0647\u062f.  \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0644\u06cc\u062f \u06af\u0645 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>setdefault()<\/code> \u0631\u0648\u0634 \u062f\u0631 \u0639\u0648\u0636 \u0628\u0627 \u0646\u062d\u0648 <code>dictionary.setdefault(key,default_value)<\/code>.<\/p>\n<h2 id=\"3-how-to-use-defaultdict-from-the-collections-module\"><span class=\"ez-toc-section\" id=\"3_%d8%b1%d9%88%d8%b4_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_defaultdict_%d8%a7%d8%b2_collections_%d9%85%d8%af%d9%88%d9%84\"><\/span>3. \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 <code>defaultdict<\/code> \u0627\u0632 <code>collections<\/code> \u0645\u062f\u0648\u0644<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9 \u0631\u0627\u0647 (\u0628\u0633\u06cc\u0627\u0631) \u062a\u0645\u06cc\u0632\u062a\u0631 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a <code>defaultdict<\/code> \u0627\u0632 \u067e\u0627\u06cc\u062a\u0648\u0646 <code>collections<\/code> \u0645\u062f\u0648\u0644.  Defaultdict \u0642\u0627\u0628\u0644\u06cc\u062a\u200c\u0647\u0627\u06cc \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u062f\u0627\u062e\u0644\u06cc \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u06af\u0633\u062a\u0631\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647\u200c\u0635\u0631\u0627\u062d\u062a \u062a\u0646\u0638\u06cc\u0645 \u0646\u0634\u062f\u0647\u200c\u0627\u0646\u062f\u060c \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0631\u0627 <code>defaultdict<\/code> \u0633\u0627\u0632\u0646\u062f\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc \u06af\u06cc\u0631\u062f.  \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <em>\u0628\u062f\u0648\u0646 <\/em>\u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0627\u0631\u0627\u0626\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u063a\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f. <\/p>\n<p>\u0646\u062d\u0648 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f a <code>defaultdict<\/code> \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"language-Python\">from collections import defaultdict\n\n# Syntax\ndefaultdict(default_factory)\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 <code>defaultdict<\/code> \u0627\u0632 <code>books<\/code> \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"language-Python\">from collections import defaultdict\n\nbooks = {\n\t\"1984\": \"George Orwell\",\n\t\"To Kill a Mockingbird\": \"Harper Lee\",\n\t\"The Great Gatsby\": \"F. Scott Fitzgerald\"\n}\n\nbooks_default = defaultdict(lambda: \"Book not found\",books)  \n# Access the key \"Brave New World\"\nauthor = books_default[\"Brave New World\"]  \nprint(author) \n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0639 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u060c \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0644\u0627\u0645\u0628\u062f\u0627 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0631\u0634\u062a\u0647 \u00ab\u06a9\u062a\u0627\u0628 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f\u00bb \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.  \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f\u060c \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0627\u062c\u0631\u0627\u06cc \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0634\u0645\u0627 \u0646\u06cc\u0632 \u0628\u062f\u0647\u062f:<\/p>\n<pre><code>Output &gt;&gt;&gt; Book not found<\/code><\/pre>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 <code>defaultdict<\/code> \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u0648\u06cc\u0627 \u0628\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u062f\u0627\u0631\u06cc\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\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>\u0648 \u0627\u06cc\u0646 \u06cc\u06a9 \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0627\u0633\u062a!  \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u0645 \u0631\u0648\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u06cc KeyError \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0631\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u0645 \u0645\u0631\u0648\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<ul>\n<li>\u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0635\u0631\u06cc\u062d \u0627\u0644\u0641 <code>KeyError<\/code>\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0628\u067e\u06cc\u0686\u06cc\u062f <code>try<\/code> \u0645\u0633\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>KeyError<\/code> \u062f\u0631 <code>except<\/code> \u0645\u0633\u062f\u0648\u062f \u06a9\u0631\u062f\u0646.<\/li>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>get()<\/code> \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f\u060c \u0628\u0627 \u06af\u0632\u06cc\u0646\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u062f\u0631 \u0635\u0648\u0631\u062a \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u06a9\u0644\u06cc\u062f.<\/li>\n<li>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f a \u0631\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u06a9\u0646\u06cc\u062f <code>defaultdict<\/code> \u0627\u0632 <code>collections<\/code> \u0645\u0627\u0698\u0648\u0644 \u0628\u0627 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<\/ul>\n<p>\u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f\u060c Python Try and Except Statements &#8211; How to Handle Exceptions in Python \u0631\u0627 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f. <\/p>\n<\/p>\n<\/section>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-06-18 01:35:18<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;17514&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;\u0631\u0648\u0634 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u2013 \u0628\u0627 \u0645\u062b\u0627\u0644 \u06a9\u062f&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>\u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646\u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u0622\u0646 \u0628\u0631\u062e\u0648\u0631\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f KeyError \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627. \u062f\u06cc\u06a9\u0634\u0646\u0631\u06cc \u0647\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u062c\u0641\u062a \u0647\u0627\u06cc \u0627\u0631\u0632\u0634 \u06a9\u0644\u06cc\u062f\u06cc \u0647\u0633\u062a\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u06cc\u062f \u0645\u0631\u0628\u0648\u0637\u0647 \u0645\u0627\u0646\u0646\u062f \u0632\u06cc\u0631\u060c \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0632\u0645\u0627\u0646 \u062b\u0627\u0628\u062a \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f: dict[key] \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f value. \u0627\u0645\u0627 \u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0648\u062c\u0648\u062f [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":17515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743],"tags":[1748,1926,1919,1779,1744,1959,5206,2750,2123,2552,4665,1809,432,2098,1745],"class_list":["post-17514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python-hosting","tag-1926","tag----python","tag-1779","tag-1744","tag-1959","tag-5206","tag-2750","tag-2123","tag-2552","tag-4665","tag-1809","tag-432","tag-2098","tag-1745"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/17514","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=17514"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/17514\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/17515"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=17514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=17514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=17514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}