{"id":125309,"date":"2024-03-24T18:35:01","date_gmt":"2024-03-24T09:35:01","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/python-%e3%81%ae-filter-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-05T11:48:37","modified_gmt":"2024-04-05T02:48:37","slug":"python-%e3%81%ae-filter-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/python-%e3%81%ae-filter-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/","title":{"rendered":"Python \u306e  filter \u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f"},"content":{"rendered":"<p>Python\u3067\u306f\u3001filter() \u95a2\u6570\u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u304b\u3089\u6761\u4ef6\u306b\u5408\u3046\u8981\u7d20\u3092\u62bd\u51fa\u3057\u3066\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>filter()\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>filter(function, sequence)\r\n<\/code><\/pre>\n<p>\u95a2\u6570\u306ffunction\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u7e70\u308a\u8fd4\u3057\u53ef\u80fd\u306a\u30b7\u30fc\u30b1\u30f3\u30b9\uff08\u30ea\u30b9\u30c8\u3001\u30bf\u30d7\u30eb\u3001\u6587\u5b57\u5217\u306a\u3069\uff09\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u5404\u8981\u7d20\u304c\u6761\u4ef6\u306b\u9069\u5408\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u30d6\u30fc\u30eb\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3092function\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002function\u304cTrue\u3092\u8fd4\u305b\u3070\u305d\u306e\u8981\u7d20\u3092\u4fdd\u6301\u3057\u3001function\u304cFalse\u3092\u8fd4\u305b\u3070\u8981\u7d20\u3092\u9664\u5916\u3057\u307e\u3059\u3002<\/p>\n<p>filter()\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>numbers = [<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>, <span class=\"hljs-number\">10<\/span>]\r\n<span class=\"hljs-comment\"># \u8fc7\u6ee4\u51fa\u5076\u6570<\/span>\r\neven_numbers = <span class=\"hljs-built_in\">filter<\/span>(<span class=\"hljs-keyword\">lambda<\/span> x: x % <span class=\"hljs-number\">2<\/span> == <span class=\"hljs-number\">0<\/span>, numbers)\r\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(even_numbers))\r\n<span class=\"hljs-comment\"># \u8f93\u51fa: [2, 4, 6, 8, 10]<\/span>\r\n<span class=\"hljs-comment\"># \u8fc7\u6ee4\u51fa\u5927\u4e8e5\u7684\u6570<\/span>\r\ngreater_than_5 = <span class=\"hljs-built_in\">filter<\/span>(<span class=\"hljs-keyword\">lambda<\/span> x: x &gt; <span class=\"hljs-number\">5<\/span>, numbers)\r\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-built_in\">list<\/span>(greater_than_5))\r\n<span class=\"hljs-comment\"># \u8f93\u51fa: [6, 7, 8, 9, 10]<\/span>\r\n<\/code><\/pre>\n<p>\u4f8b\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30e9\u30e0\u30c0\u95a2\u6570\u3092\u4f7f\u3044\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u5185\u306e\u8981\u7d20\u304c\u5076\u6570\u304b5\u3088\u308a\u5927\u304d\u3044\u5024\u3067\u3042\u308b\u304b\u3092\u5224\u5b9a\u3059\u308b\u533f\u540d\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001filter()\u95a2\u6570\u3067\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001list()\u95a2\u6570\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u7d50\u679c\u3092\u30ea\u30b9\u30c8\u5f62\u5f0f\u306b\u5909\u63db\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u3067\u306f\u3001filter() \u95a2\u6570\u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u304b\u3089\u6761\u4ef6\u306b\u5408\u3046\u8981\u7d20\u3092\u62bd\u51fa\u3057\u3066\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 filter()\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 filter(function, sequence) \u95a2\u6570\u306f [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-125309","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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