{"id":165,"date":"2018-11-19T21:30:56","date_gmt":"2018-11-19T12:30:56","guid":{"rendered":"http:\/\/idealive.jp\/blog\/?p=165"},"modified":"2019-01-24T14:58:54","modified_gmt":"2019-01-24T05:58:54","slug":"python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93","status":"publish","type":"post","link":"https:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/","title":{"rendered":"Python\u3067\u30e9\u30e0\u30c0\u95a2\u6570\u3068\u5185\u5305\u8868\u8a18\u3092\u6bd4\u8f03\u3057\u3066\u307f\u305f\u3002(\u7c21\u6613\u7248)"},"content":{"rendered":"<p>\u30e9\u30e0\u30c0\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)\u3068\u3044\u3046\u3082\u306e\u306f\u4ed6\u306e\u8a00\u8a9e\u3067\u3082\u99b4\u67d3\u307f\u306e\u3042\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3044\u308f\u3086\u308b\u300c\u7121\u540d\u95a2\u6570\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3001<\/p>\n<p>\u95a2\u6570\u306b\u540d\u524d\u3092\u3064\u3051\u305a\u3001\u30b3\u30fc\u30c9\u91cf\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u50d5\u306e\u30a4\u30e1\u30fc\u30b8\u3067\u306f\u3001map()\u95a2\u6570\u3084filter()\u95a2\u6570\u306b\u3066\u30e9\u30e0\u30c0\u5f0f\u3092\u898b\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Java\u3067\u306f\u50d5\u3082\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3067\u3059\u304c\u3001Python\u306b\u306f\u5185\u5305\u8868\u8a18\u3068\u3044\u3046\u30d1\u30ef\u30d5\u30eb\u306a\u8a18\u8ff0\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>map()\u95a2\u6570\u3084filter()\u95a2\u6570\u306a\u3069\u306b\u81f3\u3063\u3066\u306f\u3001\u5185\u5305\u8868\u8a18\u3067\u5168\u3066\u4e8b\u304c\u8db3\u308a\u307e\u3059\u3002(\u305f\u3076\u3093)<\/p>\n<p>\u500b\u4eba\u7684\u306b\u3001\u30e9\u30e0\u30c0\u5f0f\u306f\u5c11\u3057\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308a\u3001<\/p>\n<p>Python\u306b\u304a\u3044\u3066\u306f\u3001\u5185\u5305\u8868\u8a18\u3067\u5b8c\u7d50\u3067\u304d\u308b\u306e\u3067\u3042\u308c\u3070\u3001<\/p>\n<p>\u5185\u5305\u8868\u8a18\u3092\u4f7f\u7528\u3057\u305f\u65b9\u304c\u3001\u53ef\u8aad\u6027\u3082\u9ad8\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>map()\u95a2\u6570\u3068filter()\u95a2\u6570\u3092\u4f8b\u306b\u3068\u3063\u3066\u3001\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div style=\"background: #f9f9f9; border: 1px solid #aaa; padding: 10px; margin-bottom: 1em; width: auto; font-size: 95%;\">\n<p style=\"font-size: 145%; font-weight: 600; text-align: center;\">\u76ee\u6b21<\/p>\n<ul>\n<li>1.<a href=\"#anker1\">map()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/a><\/li>\n<li>\u30001-1.<a href=\"#anker11\">\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/a><\/li>\n<li>2.<a href=\"#anker2\">filter()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/a><\/li>\n<li>\u30002-1.<a href=\"#anker21\">\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/a><\/li>\n<li>3.<a href=\"#anker3\">\u307e\u3068\u3081<\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"anker1\" style=\"height: 50px;\"><\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<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:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/#1map%E9%96%A2%E6%95%B0%E3%83%A9%E3%83%A0%E3%83%80%E5%BC%8F\" >1.map()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/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:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/#1-2%E5%86%85%E5%8C%85%E8%A1%A8%E8%A8%98%E3%81%A7%E5%90%8C%E3%81%98%E5%87%A6%E7%90%86%E3%82%92%E6%9B%B8%E3%81%84%E3%81%A6%E3%81%BF%E3%82%8B\" >1-2.\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/#2filter%E9%96%A2%E6%95%B0%E3%83%A9%E3%83%A0%E3%83%80%E5%BC%8F\" >2.filter()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/#2-2%E5%86%85%E5%8C%85%E8%A1%A8%E8%A8%98%E3%81%A7%E5%90%8C%E3%81%98%E5%87%A6%E7%90%86%E3%82%92%E6%9B%B8%E3%81%84%E3%81%A6%E3%81%BF%E3%82%8B\" >2-2.\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/idealive.jp\/blog\/2018\/11\/19\/python%e3%81%a7%e3%83%a9%e3%83%a0%e3%83%80%e9%96%a2%e6%95%b0%e3%81%a8%e5%86%85%e5%8c%85%e8%a1%a8%e8%a8%98%e3%82%92%e6%af%94%e8%bc%83%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82%e7%b0%a1%e6%98%93\/#3%E3%81%BE%E3%81%A8%E3%82%81\" >3.\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1map%E9%96%A2%E6%95%B0%E3%83%A9%E3%83%A0%E3%83%80%E5%BC%8F\"><\/span><strong>1.map()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>map()\u95a2\u6570\u3068\u306f\u30ea\u30b9\u30c8\u7b49\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u95a2\u6570\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001<\/p>\n<p>\u5f15\u6570\u3067\u53d7\u3051\u53d6\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3001\u5f15\u6570\u3067\u53d7\u3051\u53d6\u3063\u305f\u95a2\u6570\u306b\u6e21\u3055\u308c\u3001\u51e6\u7406\u304c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\" title=\"lambda_map.py\">numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nfor n in map(lambda n:n**2, numbers):\r\n    print(n)<\/pre>\n<p>\u4e0a\u8a18\u306fnumbers\u30ea\u30b9\u30c8\u5185\u306e\u5024\u3092\u5168\u3066\u4e8c\u4e57\u3057\u305f\u5f8c\u306b\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30e0\u30c0\u5f0f\u306e\u90e8\u5206\u304c\u5c11\u3057\u8aad\u307f\u3065\u3089\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>&nbsp;<\/p>\n<div id=\"anker11\" style=\"height: 50px;\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1-2%E5%86%85%E5%8C%85%E8%A1%A8%E8%A8%98%E3%81%A7%E5%90%8C%E3%81%98%E5%87%A6%E7%90%86%E3%82%92%E6%9B%B8%E3%81%84%E3%81%A6%E3%81%BF%E3%82%8B\"><\/span><strong>1-2.\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u540c\u3058\u51e6\u7406\u3092\u5185\u5305\u8868\u8a18\u3067\u8a18\u8ff0\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \" title=\"naihou1.py\">numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nsquares = [n**2 for n in numbers]\r\nprint(squares)<\/pre>\n<p>\u5185\u5305\u8868\u8a18\u306e\u65b9\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u3044\u3067\u3059\u304b\uff1f<\/p>\n<p>&nbsp;<\/p>\n<div id=\"anker2\" style=\"height: 50px;\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"2filter%E9%96%A2%E6%95%B0%E3%83%A9%E3%83%A0%E3%83%80%E5%BC%8F\"><\/span><strong>2.filter()\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>filter()\u95a2\u6570\u3068\u306f\u30ea\u30b9\u30c8\u7b49\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001\u6761\u4ef6\u306b\u6cbf\u3063\u305f\u8981\u7d20\u306e\u307f\u62bd\u51fa\u3067\u304d\u308b\u95a2\u6570\u3067\u3059\u3002<\/p>\n<p>\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \" title=\"filter_lambda.py\">numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nfor n in filter(lambda n:n%2!=0, numbers):\r\n    print(n)<\/pre>\n<p>\u4e0a\u8a18\u306fnumbers\u30ea\u30b9\u30c8\u5185\u306e\u5024\u304b\u3089\u5947\u6570\u306e\u307f\u3092\u62bd\u51fa\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u8aad\u3081\u306a\u304f\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u500b\u4eba\u7684\u306b\u306f\u5185\u5305\u8868\u8a18\u306e\u65b9\u304c\u597d\u304d\u3067\u3059(\u7b11)<\/p>\n<p>&nbsp;<\/p>\n<div id=\"anker11\" style=\"height: 50px;\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"2-2%E5%86%85%E5%8C%85%E8%A1%A8%E8%A8%98%E3%81%A7%E5%90%8C%E3%81%98%E5%87%A6%E7%90%86%E3%82%92%E6%9B%B8%E3%81%84%E3%81%A6%E3%81%BF%E3%82%8B\"><\/span><strong>2-2.\u5185\u5305\u8868\u8a18\u3067\u540c\u3058\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u308b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre class=\"lang:default decode:true\" title=\"naihou2.py\">numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\r\nodds = [n for n in numbers if n%2!=0]\r\n    print(odds)\r\n<\/pre>\n<p>\u3053\u3061\u3089\u306e\u65b9\u304c\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u3044\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div id=\"anker3\" style=\"height: 50px;\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"3%E3%81%BE%E3%81%A8%E3%82%81\"><\/span><strong>3.\u307e\u3068\u3081<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u4eba\u306b\u3088\u3063\u3066\u8aad\u307f\u3084\u3059\u3055\u306f\u5909\u308f\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u3002\u3002<\/p>\n<p>\u4eca\u56de\u306f\u300c\u30e9\u30e0\u30c0\u3067\u51fa\u6765\u308b\u3053\u3068\u306f\u5185\u5305\u8868\u8a18\u3067\u3082\u51fa\u6765\u308b\u3088\uff01\u300d(\u305f\u3076\u3093)\u3068\u8a00\u3044\u305f\u304b\u3063\u305f\u3060\u3051\u3067\u3059\uff01<\/p>\n<p>\u30e9\u30e0\u30c0\u3067\u51fa\u6765\u3066\u5185\u5305\u8868\u8a18\u3067\u51fa\u6765\u306a\u3044\u3053\u3068\u3084\u3001<\/p>\n<p>\u3053\u3046\u3044\u3046\u51e6\u7406\u306e\u6642\u306f\u30e9\u30e0\u30c0\u306e\u65b9\u304c\u8aad\u307f\u3084\u3059\u3044\u3001\u66f8\u304d\u3084\u3059\u3044\u7b49\u304c\u3042\u308c\u3070\u3001<\/p>\n<p>\u305c\u3072\u305c\u3072\u30b3\u30e1\u30f3\u30c8\u3067\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0a\u3001Tiger\u3067\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e9\u30e0\u30c0\u95a2\u6570(\u30e9\u30e0\u30c0\u5f0f)\u3068\u3044\u3046\u3082\u306e\u306f\u4ed6\u306e\u8a00\u8a9e\u3067\u3082\u99b4\u67d3\u307f\u306e\u3042\u308b\u3082\u306e\u3067\u3059\u3002 \u3044\u308f\u3086\u308b\u300c\u7121\u540d\u95a2\u6570\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3001 \u95a2\u6570\u306b\u540d\u524d\u3092\u3064\u3051\u305a\u3001\u30b3\u30fc\u30c9\u91cf\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u50d5\u306e\u30a4\u30e1\u30fc\u30b8\u3067\u306f\u3001map()\u95a2\u6570\u3084filter()\u95a2\u6570\u306b\u3066&#8230;<a class=\"read-more-link button\" 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