{"id":2934,"date":"2024-03-23T02:45:19","date_gmt":"2024-03-22T18:45:19","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=2934"},"modified":"2024-03-23T02:45:19","modified_gmt":"2024-03-22T18:45:19","slug":"python%e5%a6%82%e4%bd%95%e8%a7%a3%e5%8c%85%e5%ad%97%e5%85%b81612","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/23\/python%e5%a6%82%e4%bd%95%e8%a7%a3%e5%8c%85%e5%ad%97%e5%85%b81612\/","title":{"rendered":"Python \u5982\u4f55\u89e3\u5305\u5b57\u5178"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"https:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n<p>\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n<pre><code class=\"language-bash line-numbers\">&gt;&gt;&gt; a, b, *rest = [1, 2, 3, 4]\n&gt;&gt;&gt; print(a, b, rest)\n1 2 [3, 4]\n<\/code><\/pre>\n<p>\u5728Python\u4e2d\uff0c\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u5c06\u5b57\u5178\u89e3\u5305\u4e3a\u5355\u72ec\u7684\u53d8\u91cf\u3002\u89e3\u5305\u662f\u6307\u5c06\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5206\u522b\u8d4b\u503c\u7ed9\u591a\u4e2a\u53d8\u91cf\u7684\u8fc7\u7a0b\u3002\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u661f\u53f7(*)\u6765\u8fdb\u884c\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u89e3\u5305\u64cd\u4f5c\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash line-numbers\">&gt;&gt;&gt; person = {'name': 'Alice', 'age': 25, 'city': 'Beijing'}\n&gt;&gt;&gt; print(\"{name} is {age} years old and lives in {city}.\".format(**person))\nAlice is 25 years old and lives in Beijing.\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u5217\u8868\u4e2d\u7684\u524d\u4e24\u4e2a\u5143\u7d20\u5206\u522b\u8d4b\u503c\u7ed9\u53d8\u91cfa\u548cb\uff0c\u5269\u4f59\u7684\u5143\u7d20\u5219\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cfrest\u3002<\/p>\n<p>\u7c7b\u4f3c\u4e8e\u89e3\u5305\u5217\u8868\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u89e3\u5305\u5b57\u5178\u3002\u4f7f\u7528\u4e24\u4e2a\u661f\u53f7\uff08**\uff09\u53ef\u4ee5\u5c06\u5b57\u5178\u89e3\u5305\u4e3a\u5173\u952e\u5b57\u53c2\u6570\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711133115593_2.jpg\" alt=\"\u8dd1\u5305\u5b57\u5178\"><\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528**person\u6765\u89e3\u5305\u5b57\u5178\uff0c\u5e76\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u4f5c\u4e3a\u5173\u952e\u5b57\u53c2\u6570\u4f20\u9012\u7ed9format()\u65b9\u6cd5\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u5206\u522b\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u5b57\u5178\u7684\u4e09\u4e2a\u952e\u503c\u5bf9\u89e3\u5305\u6210\u4e09\u4e2a\u53d8\u91cf\uff1a<\/p>\n<pre><code class=\"language-bash line-numbers\">&gt;&gt;&gt; person = {'name': 'Alice', 'age': 25, 'city': 'Beijing'}\n&gt;&gt;&gt; name, age, city = person.keys()\n&gt;&gt;&gt; print(name, age, city)\nname age city\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528person.values()\u65b9\u6cd5\u83b7\u53d6\u5b57\u5178\u4e2d\u7684\u6240\u6709\u503c\uff0c\u5e76\u5c06\u5b83\u4eec\u5206\u522b\u8d4b\u503c\u7ed9\u53d8\u91cfname\u3001age\u548ccity\u3002<\/p>\n<p>\u9664\u4e86\u4f7f\u7528person.values()\u65b9\u6cd5\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528person.keys()\u65b9\u6cd5\u6765\u83b7\u53d6\u5b57\u5178\u4e2d\u7684\u6240\u6709\u952e\uff0c\u5e76\u5c06\u5b83\u4eec\u89e3\u5305\u4e3a\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711133115593_4.jpg\" alt=\"\u8dd1\u5305\u5b57\u5178\"><\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u5b57\u5178\u4e2d\u7684\u4e09\u4e2a\u952e\u89e3\u5305\u6210\u4e86\u4e09\u4e2a\u53d8\u91cfname\u3001age\u548ccity\u3002<\/p>\n<p>\u5982\u679c\u5728\u89e3\u5305\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5e0c\u671b\u8df3\u8fc7\u67d0\u4e9b\u952e\u6216\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u5212\u7ebf(_)\u6765\u8868\u793a\u4e0d\u5173\u5fc3\u7684\u503c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash line-numbers\">&gt;&gt;&gt; person = {'name': 'Alice', 'age': 25, 'city': 'Beijing'}\n&gt;&gt;&gt; name, _, city = person.values()\n&gt;&gt;&gt; print(name, city)\nAlice Beijing\n<\/code><\/pre>\n<p><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/deepinout.com\/python\/python-qa\/j_how-to-unpack-a-dictionary-in-python_zh.html --><\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e0b\u5212\u7ebf(_)\u6765\u8df3\u8fc7\u4e86age\u8fd9\u4e2a\u952e\u503c\u5bf9\uff0c\u56e0\u4e3a\u6211\u4eec\u5bf9\u5b83\u7684\u503c\u4e0d\u611f\u5174\u8da3\u3002<\/p>\n<p>\u901a\u8fc7\u672c\u6587\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u5728Python\u4e2d\u89e3\u5305\u5b57\u5178\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e24\u4e2a\u661f\u53f7\u5c06\u5b57\u5178\u89e3\u5305\u4e3a\u5173\u952e\u5b57\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u5206\u522b\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u6211\u4eec\u8fd8\u8ba8\u8bba\u4e86\u5982\u4f55\u5728\u89e3\u5305\u8fc7\u7a0b\u4e2d\u8df3\u8fc7\u67d0\u4e9b\u952e\u6216\u503c\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4f60\u7406\u89e3Python\u4e2d\u7684\u89e3\u5305\u64cd\u4f5c\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u5982\u4f55\u89e3\u5305\u5b57\u5178Python \u5982\u4f55\u89e3\u5305\u5b57\u5178\u5728Python\u4e2d\uff0c\u5b57\u5178\u662f\u4e00\u4e2a\u5305\u542b\u952e\u503c\u5bf9\u7684\u65e0\u5e8f\u96c6\u5408\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5b57\u5178\u89e3\u5305\u4e3a\u5355\u72ec\u7684\u53d8\u91cf\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u5728Python\u4e2d\u89e3\u5305\u5b57\u5178\u3002\u4ec0\u4e48\u662f\u89e3\u5305\uff1f<\/p>\n","protected":false},"author":1,"featured_media":2935,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-2934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=2934"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2934\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media\/2935"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=2934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=2934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=2934"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=2934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}