{"id":204810,"date":"2025-05-29T09:50:07","date_gmt":"2025-05-29T01:50:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204810\/"},"modified":"2025-05-29T09:50:07","modified_gmt":"2025-05-29T01:50:07","slug":"python-%e5%88%97%e8%a1%a8%e8%b5%8b%e5%80%bc%e7%9a%84%e5%bc%95%e7%94%a8%e7%89%b9%e6%80%a7%ef%bc%9a%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e5%af%b9%e5%8e%9f%e5%a7%8b%e5%88%97%e8%a1%a8%e7%9a%84%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204810\/","title":{"rendered":"Python \u5217\u8868\u8d4b\u503c\u7684\u5f15\u7528\u7279\u6027\uff1a\u5982\u4f55\u907f\u514d\u5bf9\u539f\u59cb\u5217\u8868\u7684\u4fee\u6539\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u5217\u8868\u8d4b\u503c\u7684\u5f15\u7528\u7279\u6027\uff1a\u5982\u4f55\u907f\u514d\u5bf9\u539f\u59cb\u5217\u8868\u7684\u4fee\u6539\uff1f<\/h1>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241116\/173176420667389feeba94c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5217\u8868\u8d4b\u503c\u7684\u5f15\u7528\u7279\u6027<\/strong><\/p>\n<p>\u5728 Python \u4e2d\uff0c\u5217\u8868\u662f\u4e00\u4e2a\u53ef\u53d8\u6570\u636e\u7c7b\u578b\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u5217\u8868\u4e0a\u8fdb\u884c\u4fee\u6539\u4f1a\u76f4\u63a5\u53cd\u6620\u5230\u6e90\u5217\u8868\u4e2d\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u65b0\u7684\u526f\u672c\u3002\u8fd9\u4e00\u6027\u8d28\u5728\u4f7f\u7528\u5217\u8868\u8fc7\u6ee4\u548c\u8d4b\u503c\u65f6\u5c24\u4e3a\u660e\u663e\u3002<\/p>\n<p>\u5982\u4f8b\u4e2d\u6240\u793a\uff0c\u6211\u4eec\u4f7f\u7528 list(filter) \u83b7\u5f97\u4e86 shadow \u5217\u8868\u4e2d\u7b26\u5408\u540d\u79f0\u4e3a &#8220;xys&#8221; \u6761\u4ef6\u7684\u5b57\u5178\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u4e86 arr1\u3002\u8fd9\u4e00\u64cd\u4f5c\u5b9e\u9645\u4e0a\u7ed9 arr1 \u8d4b\u503c\u4e86 shadow \u5217\u8868\u4e2d\u7b26\u5408\u6761\u4ef6\u7684\u5b57\u5178\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684\u5217\u8868\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5f53\u5bf9 arr1 \u8fdb\u884c\u4efb\u4f55\u4fee\u6539\uff08\u4f8b\u5982\u4f7f\u7528 update \u65b9\u6cd5\u66f4\u65b0\u5b57\u5178\u5185\u5bb9\uff09\u65f6\uff0c\u8fd9\u4e9b\u4fee\u6539\u4e5f\u4f1a\u53cd\u6620\u5230\u539f\u59cb shadow \u5217\u8868\u4e2d\uff0c\u56e0\u4e3a\u8fd9\u4e24\u4e2a\u53d8\u91cf\u90fd\u6307\u5411\u76f8\u540c\u7684\u5e95\u5c42\u5bf9\u8c61\u3002<\/p>\n<p>\u8981\u907f\u514d\u8fd9\u79cd\u5f71\u54cd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u83b7\u53d6\u72ec\u7acb\u7684\u5217\u8868\u526f\u672c\uff1a<\/p>\n<ul>\n<li><strong>\u6df1\u62f7\u8d1d\uff1a<\/strong>\u4f7f\u7528 copy.deepcopy() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u6e90\u5217\u8868\u7684\u6df1\u5ea6\u526f\u672c\u3002<\/li>\n<li><strong>\u5207\u7247\u8d4b\u503c\uff1a<\/strong>\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u521b\u5efa\u4e00\u4e2a\u6e90\u5217\u8868\u7684\u4e00\u90e8\u5206\u7684\u526f\u672c\uff0c\u4f8b\u5982 arr1 = shadow[1:]\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u786e\u4fdd\u5bf9\u526f\u672c\u6216\u65b0\u5217\u8868\u8fdb\u884c\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u5217\u8868\u7684\u503c\uff0c\u4ece\u800c\u5b9e\u73b0\u72ec\u7acb\u7684\u4fee\u6539\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPython \u5217\u8868\u8d4b\u503c\u7684\u5f15\u7528\u7279\u6027\uff1a\u5982\u4f55\u907f\u514d\u5bf9\u539f\u59cb\u5217\u8868\u7684\u4fee\u6539\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u5217\u8868\u8d4b\u503c\u7684\u5f15\u7528\u7279\u6027&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204810","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204810"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204810\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}