{"id":34387,"date":"2023-06-13T23:48:23","date_gmt":"2023-06-13T15:48:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=34387"},"modified":"2023-07-31T02:10:47","modified_gmt":"2023-07-30T18:10:47","slug":"python%e7%bc%96%e7%a8%8b%e5%ae%b9%e5%99%a8%e5%b8%b8%e7%94%a8%e6%96%b9%e6%b3%95%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/34387.html","title":{"rendered":"Python\u7f16\u7a0b\u5bb9\u5668\u5e38\u7528\u65b9\u6cd5\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>Python\u7f16\u7a0b\u5bb9\u5668\u5e38\u7528\u65b9\u6cd5\u6709\uff1a\u4e00\u3001\u5217\u8868\uff0c\u9002\u7528\u4e8e\u5b58\u50a8\u6709\u5e8f\u5143\u7d20\uff1b\u4e8c\u3001\u5143\u7ec4\uff0c\u9002\u7528\u4e8e\u4e0d\u53ef\u53d8\u7684\u6709\u5e8f\u5143\u7d20\u96c6\u5408\uff1b\u4e09\u3001\u5b57\u5178\uff0c\u9002\u7528\u4e8e\u952e\u503c\u5bf9\u7684\u5b58\u50a8\u548c\u67e5\u627e\uff1b\u56db\u3001\u96c6\u5408\uff0c\u9002\u7528\u4e8e\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u5143\u7d20\u96c6\u5408\u3002\u5217\u8868\u7684\u53ef\u53d8\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u5b58\u50a8\u548c\u5904\u7406\u6709\u5e8f\u6570\u636e\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"Python\u7f16\u7a0b\u5bb9\u5668\u5e38\u7528\u65b9\u6cd5\u6709\u54ea\u4e9b\" class=\"wp-image-34388\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/14-1.jpeg?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/14-1.jpeg?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/14-1-300x186.jpeg 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5217\u8868\uff08List\uff09<\/h2>\n<p>\u5217\u8868\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u5bb9\u5668\u7c7b\u578b\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u5b58\u50a8\u591a\u4e2a\u6709\u5e8f\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5217\u8868\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u5217\u8868\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7[] \u6216list() \u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u5217\u8868\u3002\u4f8b\u5982\uff0cmy_list = [1, 2, 3]\u3002<\/li>\n<li>\u8bbf\u95ee\u5143\u7d20\uff1a\u5217\u8868\u662f\u6709\u5e8f\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u7279\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_list[0] \u5c06\u8fd4\u56de\u5217\u8868\u7684\u540d\u5217\u524d\u8305\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u6dfb\u52a0\u5143\u7d20\uff1a\u4f7f\u7528append() \u65b9\u6cd5\u53ef\u4ee5\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u65b0\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_list.append(4) \u5c06\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u6570\u5b574\u3002<\/li>\n<li>\u5220\u9664\u5143\u7d20\uff1a\u53ef\u4ee5\u4f7f\u7528remove() \u65b9\u6cd5\u6839\u636e\u5143\u7d20\u7684\u503c\u6765\u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_list.remove(3) \u5c06\u5220\u9664\u5217\u8868\u4e2d\u503c\u4e3a3 \u7684\u5143\u7d20\u3002<\/li>\n<li>\u5207\u7247\u64cd\u4f5c\uff1a\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u83b7\u53d6\u5217\u8868\u7684\u5b50\u96c6\u3002\u4f8b\u5982\uff0cmy_list[1:3] \u5c06\u8fd4\u56de\u7d22\u5f15\u4ece1 \u52303 \u7684\u5143\u7d20\u5b50\u96c6\u3002<\/li>\n<li>\u6392\u5e8f\uff1a\u4f7f\u7528sort() \u65b9\u6cd5\u53ef\u4ee5\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002\u4f8b\u5982\uff0cmy_list.sort() \u5c06\u6309\u5347\u5e8f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<li>\u641c\u7d22\uff1a\u4f7f\u7528index() \u65b9\u6cd5\u53ef\u4ee5\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u5728\u5217\u8868\u4e2d\u7684\u7d22\u5f15\u3002\u4f8b\u5982\uff0cmy_list.index(2) \u5c06\u8fd4\u56de\u5143\u7d20\u503c\u4e3a2 \u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5143\u7ec4\uff08Tuple\uff09<\/h2>\n<p>\u5143\u7ec4\u4f5c\u4e3a\u4e0d\u53ef\u53d8\u7684\u5bb9\u5668\u7c7b\u578b\uff0c\u5176\u4e3b\u8981\u7528\u9014\u662f\u5728\u9700\u8981\u4fdd\u62a4\u6570\u636e\u5b8c\u6574\u6027\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u4f8b\u5982\u8868\u793a\u5750\u6807\u70b9\u6216\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5143\u7ec4\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u5143\u7ec4\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u5706\u62ec\u53f7() \u6216tuple() \u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u5143\u7ec4\u3002\u4f8b\u5982\uff0cmy_tuple = (1, 2, 3)\u3002<\/li>\n<li>\u8bbf\u95ee\u5143\u7d20\uff1a\u4e0e\u5217\u8868\u4e00\u6837\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_tuple[0] \u5c06\u8fd4\u56de\u5143\u7ec4\u7684\u540d\u5217\u524d\u8305\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u5143\u7ec4\u89e3\u5305\uff1a\u53ef\u4ee5\u5c06\u5143\u7ec4\u7684\u5143\u7d20\u89e3\u5305\u5230\u591a\u4e2a\u53d8\u91cf\u4e2d\u3002\u4f8b\u5982\uff0cx, y, z = my_tuple \u5c06\u628a\u5143\u7ec4\u4e2d\u7684\u5143\u7d20\u5206\u522b\u8d4b\u503c\u7ed9\u53d8\u91cfx\u3001y \u548cz\u3002<\/li>\n<li>\u5143\u7ec4\u62fc\u63a5\uff1a\u4f7f\u7528\u52a0\u53f7(+) \u8fd0\u7b97\u7b26\u53ef\u4ee5\u5c06\u4e24\u4e2a\u5143\u7ec4\u62fc\u63a5\u6210\u4e00\u4e2a\u65b0\u7684\u5143\u7ec4\u3002\u4f8b\u5982\uff0cnew_tuple = my_tuple + (4, 5, 6)\u3002<\/li>\n<li>\u5143\u7ec4\u5207\u7247\uff1a\u4e0e\u5217\u8868\u4e00\u6837\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u83b7\u53d6\u5143\u7ec4\u7684\u5b50\u96c6\u3002\u4f8b\u5982\uff0cmy_tuple[1:3] \u5c06\u8fd4\u56de\u7d22\u5f15\u4ece1 \u52303 \u7684\u5143\u7d20\u5b50\u96c6\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5b57\u5178\uff08Dictionary\uff09<\/h2>\n<p>\u5b57\u5178\u662fPython\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u63d0\u4f9b\u4e86\u952e\u503c\u5bf9\u7684\u5b58\u50a8\u548c\u67e5\u627e\u673a\u5236\u3002\u5b57\u5178\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u5408\u65f6\u5c24\u4e3a\u6709\u7528\uff0c\u53ef\u4ee5\u6839\u636e\u952e\u5feb\u901f\u68c0\u7d22\u76f8\u5e94\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5b57\u5178\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u5b57\u5178\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7{} \u6216dict() \u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\u3002\u4f8b\u5982\uff0cmy_dict = {\u2018name\u2019: \u2018John\u2019, \u2018age\u2019: 25}\u3002<\/li>\n<li>\u8bbf\u95ee\u503c\uff1a\u53ef\u4ee5\u4f7f\u7528\u952e\u6765\u8bbf\u95ee\u5b57\u5178\u4e2d\u7684\u7279\u5b9a\u503c\u3002\u4f8b\u5982\uff0cmy_dict[\u2018name\u2019] \u5c06\u8fd4\u56de\u952e\u4e3a\u2019name\u2019 \u7684\u503c\u3002<\/li>\n<li>\u6dfb\u52a0\u952e\u503c\u5bf9\uff1a\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u53ef\u4ee5\u6dfb\u52a0\u65b0\u7684\u952e\u503c\u5bf9\u3002\u4f8b\u5982\uff0cmy_dict[\u2019email\u2019] = \u2018http:\/\/mailto:john@example.com\u2019 \u5c06\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u952e\u2019email\u2019 \u5e76\u8d4b\u4e88\u76f8\u5e94\u7684\u503c\u3002<\/li>\n<li>\u5220\u9664\u952e\u503c\u5bf9\uff1a\u4f7f\u7528del \u5173\u952e\u5b57\u53ef\u4ee5\u5220\u9664\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u3002\u4f8b\u5982\uff0cdel my_dict[\u2018age\u2019] \u5c06\u5220\u9664\u952e\u4e3a\u2019age\u2019 \u7684\u952e\u503c\u5bf9\u3002<\/li>\n<li>\u952e\u548c\u503c\u7684\u904d\u5386\uff1a\u53ef\u4ee5\u4f7f\u7528for \u5faa\u73af\u904d\u5386\u5b57\u5178\u7684\u952e\u6216\u503c\u3002\u4f8b\u5982\uff0cfor key in my_dict.keys() \u6216for value in my_dict.values()\u3002<\/li>\n<li>\u83b7\u53d6\u952e\u503c\u5bf9\uff1a\u4f7f\u7528items() \u65b9\u6cd5\u53ef\u4ee5\u540c\u65f6\u83b7\u53d6\u5b57\u5178\u4e2d\u7684\u952e\u548c\u503c\u3002\u4f8b\u5982\uff0cfor key, value in my_dict.items()\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">\u56db\u3001\u96c6\u5408\uff08Set\uff09<\/h2>\n<p>\u96c6\u5408\u4f5c\u4e3a\u4e00\u79cd\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u5bb9\u5668\u7c7b\u578b\uff0c\u9002\u7528\u4e8e\u53bb\u9664\u91cd\u590d\u5143\u7d20\u548c\u6267\u884c\u96c6\u5408\u8fd0\u7b97\u3002\u5728\u6570\u636e\u6e05\u6d17\u548c\u6570\u636e\u5206\u6790\u7684\u8fc7\u7a0b\u4e2d\uff0c\u96c6\u5408\u5e38\u5e38\u7528\u4e8e\u53bb\u91cd\u548c\u6570\u636e\u7b5b\u9009\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u96c6\u5408\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u96c6\u5408\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7{} \u6216set() \u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u96c6\u5408\u3002\u4f8b\u5982\uff0cmy_set = {1, 2, 3}\u3002<\/li>\n<li>\u6dfb\u52a0\u5143\u7d20\uff1a\u4f7f\u7528add() \u65b9\u6cd5\u53ef\u4ee5\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u65b0\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_set.add(4) \u5c06\u6dfb\u52a0\u6570\u5b574 \u5230\u96c6\u5408\u4e2d\u3002<\/li>\n<li>\u5220\u9664\u5143\u7d20\uff1a\u53ef\u4ee5\u4f7f\u7528remove() \u6216discard() \u65b9\u6cd5\u6765\u5220\u9664\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002\u533a\u522b\u5728\u4e8eremove() \u65b9\u6cd5\u5728\u5143\u7d20\u4e0d\u5b58\u5728\u65f6\u4f1a\u5f15\u53d1KeyError \u5f02\u5e38\uff0c\u800cdiscard() \u65b9\u6cd5\u5219\u4e0d\u4f1a\u3002<\/li>\n<li>\u96c6\u5408\u8fd0\u7b97\uff1a\u96c6\u5408\u652f\u6301\u5e76\u96c6\u3001\u4ea4\u96c6\u3001\u5dee\u96c6\u548c\u5bf9\u79f0\u5dee\u7b49\u96c6\u5408\u8fd0\u7b97\u3002\u4f8b\u5982\uff0cmy_set1.union(my_set2) \u8fd4\u56de\u4e24\u4e2a\u96c6\u5408\u7684\u5e76\u96c6\u3002<\/li>\n<li>\u6210\u5458\u5173\u7cfb\u68c0\u67e5\uff1a\u53ef\u4ee5\u4f7f\u7528in \u8fd0\u7b97\u7b26\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5b58\u5728\u4e8e\u96c6\u5408\u4e2d\u3002\u4f8b\u5982\uff0cif 1 in my_set: \u5c06\u68c0\u67e5\u5143\u7d201 \u662f\u5426\u5b58\u5728\u4e8e\u96c6\u5408\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86Python\u7f16\u7a0b\u4e2d\u5e38\u7528\u7684\u5bb9\u5668\u65b9\u6cd5\uff0c\u5305\u62ec\u521b\u5efa\u5bb9\u5668\u3001\u8bbf\u95ee\u5143\u7d20\u3001\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u4ee5\u53ca\u5bf9\u5bb9\u5668\u8fdb\u884c\u6392\u5e8f\u548c\u641c\u7d22\u7b49\u64cd\u4f5c\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5c06\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u5904\u7406\u548c\u64cd\u4f5c\u5404\u79cd\u6570\u636e\u7ed3\u6784\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u4e0d\u540c\u7684\u573a\u666f\u548c\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5bb9\u5668\u7c7b\u578b\uff0c\u5e76\u7ed3\u5408\u76f8\u5e94\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6570\u636e\uff0c\u5c06\u5e2e\u52a9\u6211\u4eec\u63d0\u5347\u7f16\u7a0b\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u7f16\u7a0b\u5bb9\u5668\u5e38\u7528\u65b9\u6cd5\u6709\uff1a\u4e00\u3001\u5217\u8868\uff0c\u9002\u7528\u4e8e\u5b58\u50a8\u6709\u5e8f\u5143\u7d20\uff1b\u4e8c\u3001\u5143\u7ec4\uff0c\u9002\u7528\u4e8e\u4e0d\u53ef\u53d8\u7684\u6709\u5e8f\u5143\u7d20\u96c6\u5408\uff1b\u4e09\u3001\u5b57\u5178\uff0c [&hellip;]","protected":false},"author":1,"featured_media":34388,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/34387"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=34387"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/34387\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/34388"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=34387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=34387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=34387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}