{"id":367,"date":"2019-01-03T18:31:16","date_gmt":"2019-01-03T09:31:16","guid":{"rendered":"https:\/\/www.nblog09.com\/w\/?p=367"},"modified":"2021-06-08T15:35:15","modified_gmt":"2021-06-08T06:35:15","slug":"python-set","status":"publish","type":"post","link":"https:\/\/www.nblog09.com\/w\/2019\/01\/03\/python-set\/","title":{"rendered":"Python\u306eset(\u30bb\u30c3\u30c8)\u306e\u5229\u7528\u65b9\u6cd5\u3002\u30e6\u30cb\u30aa\u30f3\u3001\u30a4\u30f3\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u96c6\u5408\u6f14\u7b97\u3001\u5404\u30e1\u30bd\u30c3\u30c9\u307e\u3068\u3081"},"content":{"rendered":"<h2 class=\"title-border\"><strong>set(\u30bb\u30c3\u30c8)\u306e\u4f7f\u3044\u65b9\u3001\u7279\u5fb4\u3001\u30e1\u30bd\u30c3\u30c9<\/strong><\/h2>\n<p>python\u306eset\u306f\u3001<span class=\"pink_span\">{}\u3084set(\u914d\u5217)\u306a\u3069<\/span>\u3068\u3057\u3066\u3001\u5ba3\u8a00\u3059\u308b<\/p>\n<p>\u4e3b\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308b<\/p>\n<ul>\n<li><span class=\"pink_span\">\u540c\u3058\u5024\u3092\u8907\u6570\u6301\u3064\u3053\u3068\u304c\u306a\u3044\uff08\u30e6\u30cb\u30fc\u30af\uff09<\/span><\/li>\n<li><span class=\"pink_span\">\u9806\u5e8f\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u306a\u3044\uff08\u633f\u5165\u3055\u308c\u305f\u9806\u756a\u901a\u308a\u306b\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\uff09<\/span><\/li>\n<li><span class=\"pink_span\">\u30e6\u30cb\u30aa\u30f3\u3084\u30a4\u30f3\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u96c6\u5408\u51e6\u7406\u3092\u9ad8\u901f\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b<\/span><\/li>\n<\/ul>\n<div class=\"programming-gray\">\n<h4>Example<\/h4>\n<ul>\n<li>\u30bf\u30d7\u30eb\u306e\u5ba3\u8a00<\/li>\n<\/ul>\n<div class=\"programming-inside\">\nset_a = {'a','b','c','d','a'} <strong># set\u3092\u4f5c\u6210\u3001'a'\u304c2\u3064\u3042\u308b\u304c\u3001<span class=\"pink_span\">1\u3064\u3057\u304b\u5165\u3089\u306a\u3044<\/span> <\/strong><br \/>\nprint(set_a) <strong># set_a\u306b\u306f\u3001{'a', 'd', 'c', 'b'}\u306e4\u3064\u306e\u8981\u7d20\u304c\u3042\u308b<\/strong><br \/>\nprint('e' in set_a) <strong># set_a\u306b\u306f\u3001'e'\u306f\u306a\u3044\u305f\u3081\u3001False\u304c\u8fd4\u308b<\/strong><br \/>\nprint('e' not in set_a) <strong># set_a\u306b\u306f\u3001'e'\u304c\u3042\u308b\u305f\u3081\u3001True\u304c\u8fd4\u308b<\/strong><br \/>\nprint(len(set_a)) <strong># set_a\u306e\u6570\u3092\u8fd4\u3059\u30024\u304c\u8fd4\u308b<\/strong><\/p>\n<p>for i in set_a:<br \/>\n    print(i) <strong># set_a\u306e\u4e2d\u3092\u30eb\u30fc\u30d7\u3059\u308b\u3002\u9806\u756a\u306f\u4fdd\u969c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u5b9f\u884c\u3059\u308b\u305f\u3073\u306b\u8868\u793a\u3055\u308c\u308b\u5024\u304c\u5909\u308f\u308b<\/strong> <\/p>\n<p>set_a.add('e') <strong># set_a\u306b'e'\u3092\u8ffd\u52a0\u3059\u308b<\/strong><br \/>\nset_a.remove('e') <strong># set_a\u304b\u3089'e'\u3092\u524a\u9664\u3059\u308b\u3002<span class=\"pink_span\">'e'\u304c\u306a\u3044\u5834\u5408\u306fKeyError<\/span><\/strong><br \/>\nset_a.discard('e') <strong># set_a\u304b\u3089'e'\u3092\u524a\u9664\u3059\u308b\u3002'e'\u304c\u306a\u3044\u5834\u5408\u306b\u3082\u4f55\u3082\u8d77\u3053\u308a\u307e\u305b\u3093<\/strong><br \/>\nset_a.pop() <strong># set_a\u304b\u3089\u4efb\u610f\u306e\u8981\u7d20\u3092\u8fd4\u3057\u3066\u524a\u9664\u3059\u308b<\/strong><br \/>\nset_a.clear() <strong># set_a\u304b\u3089\u5168\u3066\u306e\u8981\u7d20\u3092\u524a\u9664\u3059\u308b<\/strong>\n<\/div>\n<\/div>\n<h2 class=\"title-border\"><strong>set(\u30bb\u30c3\u30c8)\u306e\u30e6\u30cb\u30aa\u30f3(Union\u5408\u4f75)\u3001\u30a4\u30f3\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3(\u7a4d\u96c6\u5408)\u3001\u30c7\u30a3\u30d5\u30a1\u30ec\u30f3\u30b9(\u5dee\u96c6\u5408)<\/strong><\/h2>\n<p>python\u306eset(\u30bb\u30c3\u30c8)\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5229\u7528\u3059\u308b<\/p>\n<ul>\n<li>union(|)\u30fb\u30fb\u30fb\u30e6\u30cb\u30aa\u30f3\u3001\u548c\u96c6\u5408\u3092\u8fd4\u3059<\/li>\n<li>intersection(&amp;)\u30fb\u30fb\u30fb\u96c6\u5408\u306e\u5171\u901a\u3059\u308b\u8981\u7d20\u3001\u7a4d\u96c6\u5408\u3092\u8fd4\u3059<\/li>\n<li>difference(-)\u30fb\u30fb\u30fb\u7247\u65b9\u306e\u96c6\u5408\u306b\u3042\u308a\u3001\u7247\u65b9\u306e\u96c6\u5408\u306b\u306a\u3044\u8981\u7d20\u3001\u5dee\u96c6\u5408\u3092\u8fd4\u3059<\/li>\n<li>symmetric_difference(^)\u30fb\u30fb\u30fb\u3069\u3061\u3089\u304b\u4e00\u65b9\u306b\u3060\u3051\u3042\u308b\u8981\u7d20\u306e\u96c6\u5408\u3092\u8fd4\u3059<\/li>\n<\/ul>\n<div class=\"programming-gray\">\n<h4>Example<\/h4>\n<ul>\n<li>\u30bb\u30c3\u30c8\u306e\u5404\u30e1\u30bd\u30c3\u30c9<\/li>\n<\/ul>\n<div class=\"programming-inside\">\ns = {'a', 'b', 'c', 'd'}<br \/>\nt = {'c', 'd', 'e', 'f'} <\/p>\n<p><span class=\"red_span\"># s|t,s.union(t)\u3067\u306f\u3001s\u3068t\u306e\u548c\u96c6\u5408\u3092\u8fd4\u3059<\/span><br \/>\n<strong>s={'a', 'b', 'c', 'd'} , t={'c', 'd', 'e', 'f'} \u306e\u3069\u3061\u3089\u304b\u306b\u5b58\u5728\u3059\u308b{'a','b','c','d','e','f'}\u3092\u8fd4\u3059 <\/strong><br \/>\ns | t<br \/>\ns.union(t) <\/p>\n<p><span class=\"red_span\"># s&amp;t,s.intersection(t)\u306f\u3001s\u3068t\u306e\u7a4d\u96c6\u5408\u3092\u8fd4\u3059<\/span><br \/>\n<strong>s={'a', 'b', 'c', 'd'} , t={'c', 'd', 'e', 'f'} \u306e\u5171\u901a\u8981\u7d20{'c','d'}\u3092\u8fd4\u3059<\/strong><br \/>\ns &amp; t<br \/>\ns.intersection(t) <\/p>\n<p><span class=\"red_span\"># s-t,s.difference(t)\u306f\u3001s\u3068t\u306e\u5dee\u96c6\u5408\u3092\u8fd4\u3059<\/span><br \/>\n<strong>s={'a', 'b', 'c', 'd'} \u306e\u3046\u3061t={'c', 'd', 'e', 'f'} \u306e\u8981\u7d20\u3092\u9664\u3044\u305f{'a','b'}\u3092\u8fd4\u3059<\/strong><br \/>\ns - t<br \/>\ns.difference(t)  <\/p>\n<p><span class=\"red_span\"># s^t,s.symmetric_difference(t)\u306f\u3001\u5bfe\u8c61\u5dee\u3092\u8fd4\u3059<\/span><br \/>\n<strong>s={'a', 'b', 'c', 'd'} , t={'c', 'd', 'e', 'f'} \u306es\u3068t\u306e\u7247\u65b9\u306b\u542b\u307e\u308c\u308b{'a','b','e','f'}\u3092\u8fd4\u3059<\/strong><br \/>\ns ^ t<br \/>\ns.symmetric_difference(t) <\/p>\n<p><span class=\"red_span\"># \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u5024\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/span><br \/>\ns |= t <strong># s = s\u3068t\u306e\u30e6\u30cb\u30aa\u30f3\u3001\u3064\u307e\u308as\u306bt\u306e\u5024\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/strong>\n<\/div>\n<\/div>\n<div class=\"customized-adsense\"><\/div>\n<h2 class=\"title-border\"><strong>set(\u30bb\u30c3\u30c8)\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3001\u30c7\u30a3\u30b9\u30b8\u30e7\u30a4\u30f3\u30c8\u30bb\u30c3\u30c8<\/strong><\/h2>\n<p>python\u306eset(\u30bb\u30c3\u30c8)\u306b\u306f\u3001\u30bb\u30c3\u30c8\u306e\u8981\u7d20\u304c\u5225\u306e\u30bb\u30c3\u30c8\u306b\u3059\u3079\u3066\u542b\u307e\u308c\u3066\u3044\u308b\u304b\uff08\u542b\u3093\u3067\u3044\u308b\u304b\uff09\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3001<span class=\"pink_span\">issubset,issuperset<\/span>\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3002<\/p>\n<p>\u9006\u306b\u3001A\u306eset\u306e\u8981\u7d20\u3068B\u306eset\u306e\u8981\u7d20\u30681\u3064\u3082\u88ab\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u3001True\u3092\u8fd4\u3059\u3001<span class=\"pink_span\">disjoint<\/span>\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3082\u3042\u308b<\/p>\n<div class=\"programming-gray\">\n<h4>Example<\/h4>\n<ul>\n<li>\u30bb\u30c3\u30c8\u306e\u30e1\u30bd\u30c3\u30c9(issubset, issuperset, isdisjoint)<\/li>\n<\/ul>\n<div class=\"programming-inside\">\ns = {'apple', 'lemon'}<br \/>\nt = {'apple', 'banana', 'lemon', 'grape'} <\/p>\n<p>print(s.issubset(t)) <strong># s={'apple', 'lemon'} \u306f\u5168\u3066t={'apple', 'banana', 'lemon', 'grape'} \u306b\u542b\u307e\u308c\u308b\u3002s\u306ft\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3067True\u3068\u306a\u308b<\/strong><br \/>\nprint(t.issuperset(s)) <strong># t={'apple', 'banana', 'lemon', 'grape'}\u306fs={'apple', 'lemon'} \u3092\u542b\u3080\u305f\u3081\u3001t\u306fs\u306e\u30b9\u30fc\u30d1\u30fc\u30bb\u30c3\u30c8\u3067True\u3068\u306a\u308b<\/strong><\/p>\n<p>u = {'ringo', 'remon'}<br \/>\nprint(t.isdisjoint(u)) <strong># t={'apple', 'banana', 'lemon', 'grape'}\u3068u{'ringo', 'remon'} \u306e\u8981\u7d20\u306f\u4e00\u3064\u3082\u88ab\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u3001True\u3092\u8fd4\u3059<\/strong>\n<\/div>\n<\/div>\n<div class=\"inside-advertise\"><strong>Python\u8b1b\u5ea7<\/strong>Python\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u77e5\u308a\u305f\u3044\uff01\u3068\u3044\u3046\u304b\u305f\u306f\u3053\u3061\u3089\u3001Python\u306e\u57fa\u672c\u6587\u6cd5\u304b\u3089\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3001\u5fdc\u7528\u30e9\u30a4\u30d6\u30e9\u30ea\u307e\u3067\u53ce\u9332\uff01\uff01<br \/><a class=\"udemy_python_lecture\" href=\"https:\/\/www.udemy.com\/course\/python-python\/?couponCode=EA7C756E9F9386712FC0\">\u30102020\u5e74\u7248\u3011: Python 3.8 \u30c7\u30fc\u30bf\u69cb\u9020\u3001\u6587\u6cd5\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3001\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\u8b1b\u5ea7<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>set(\u30bb\u30c3\u30c8)\u306e\u4f7f\u3044\u65b9\u3001\u7279\u5fb4\u3001\u30e1\u30bd\u30c3\u30c9 python\u306eset\u306f\u3001{}\u3084set(\u914d\u5217)\u306a\u3069\u3068\u3057\u3066\u3001\u5ba3\u8a00\u3059\u308b \u4e3b\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308b \u540c\u3058\u5024\u3092\u8907\u6570\u6301\u3064\u3053\u3068\u304c\u306a\u3044\uff08\u30e6\u30cb\u30fc\u30af\uff09 \u9806\u5e8f\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u306a\u3044\uff08\u633f\u5165\u3055\u308c\u305f\u9806\u756a\u901a\u308a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":369,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[9,219],"tags":[14,74,75,76],"class_list":{"0":"post-367","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-python","8":"category-it-programming","9":"tag-python","10":"tag-set","11":"tag-subset","12":"tag-union","13":"entry"},"uagb_featured_image_src":{"full":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",724,480,false],"thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480-150x150.jpg",150,150,true],"medium":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480-300x199.jpg",300,199,true],"medium_large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",724,480,false],"large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",724,480,false],"1536x1536":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",724,480,false],"2048x2048":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",724,480,false],"home-middle":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",528,350,false],"home-top":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",634,420,false],"sidebar-thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/krasnal-962528__480.jpg",100,66,false]},"uagb_author_info":{"display_name":"9nmatsumoto","author_link":"https:\/\/www.nblog09.com\/w\/author\/9nmatsumoto\/"},"uagb_comment_info":1,"uagb_excerpt":"set(\u30bb\u30c3\u30c8)\u306e\u4f7f\u3044\u65b9\u3001\u7279\u5fb4\u3001\u30e1\u30bd\u30c3\u30c9 python\u306eset\u306f\u3001{}\u3084set(\u914d\u5217)\u306a\u3069\u3068\u3057\u3066\u3001\u5ba3\u8a00\u3059\u308b \u4e3b&hellip;","_links":{"self":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/comments?post=367"}],"version-history":[{"count":16,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/367\/revisions"}],"predecessor-version":[{"id":2724,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/367\/revisions\/2724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media\/369"}],"wp:attachment":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media?parent=367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/categories?post=367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/tags?post=367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}