{"id":169508,"date":"2023-07-30T03:54:30","date_gmt":"2023-07-29T19:54:30","guid":{"rendered":"http:\/\/www.idc.net\/help\/169508\/"},"modified":"2023-07-30T03:54:30","modified_gmt":"2023-07-29T19:54:30","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e6%b7%b1%e6%8b%b7%e8%b4%9d%e5%92%8c%e6%b5%85%e6%8b%b7%e8%b4%9d%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/169508\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u6df1\u62f7\u8d1d\u548c\u6d45\u62f7\u8d1d\u7684\u533a\u522b\u662f\u4ec0\u4e48"},"content":{"rendered":"

<\/strong><\/p>\n

<\/p>\n

\u6d45\u62f7\u8d1d<\/strong><\/p>\n

copy\u6a21\u5757\u91cc\u9762\u7684copy\u65b9\u6cd5\u5b9e\u73b0\u3002\u6d45\u62f7\u8d1d\u540e\uff0c\u6539\u53d8\u539f\u59cb\u5bf9\u8c61\u4e2d\u4e3a\u53ef\u53d8\u7c7b\u578b\u7684\u5143\u7d20\u7684\u503c\uff0c\u4f1a\u540c\u65f6\u5f71\u54cd\u62f7\u8d1d\u5bf9\u8c61\uff1b\u6539\u53d8\u539f\u59cb\u5bf9\u8c61\u4e2d\u4e3a\u4e0d\u53ef\u53d8\u7c7b\u578b\u7684\u5143\u7d20\u7684\u503c\uff0c\u4e0d\u4f1a\u54cd\u62f7\u8d1d\u5bf9\u8c61\u3002<\/p>\n

python\u5b66\u4e60\u7f51\uff0c\u5927\u91cf\u7684\u514d\u8d39python\u89c6\u9891\u6559\u7a0b\uff0c\u6b22\u8fce\u5728\u7ebf\u5b66\u4e60\uff01<\/p>\n

\u4ee3\u7801\u6f14\u793a<\/strong><\/p>\n

import copy\n#\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u662f\u53ef\u53d8\u7c7b\u578b\u3002\nlist1 = [[1,2], 'fei', 66];\n#\u8fdb\u884c\u6d45copy\nlist2 = copy.copy(list1);\n#\u5bf9\u8c61\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1));\nprint(id(list2));\n#\u7ed3\u679c\uff1a\u4e0d\u540c\n46177816\n46177936\n#\u7b2c\u4e00\u4e2a\u5143\u7d20\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1[0]));\nprint(id(list2[0]));\n#\u7ed3\u679c\uff1a\u76f8\u540c\n46240432\n46240432\n#\u7b2c\u4e8c\u4e2a\u5143\u7d20\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1[1]));\nprint(id(list2[1]));\n#\u7ed3\u679c\uff1a\u76f8\u540c\n45547328\n45547328\n#\u6539\u53d8\u7b2c\u4e00\u4e2a\u503c,\u67e5\u770b\u590d\u5236\u5bf9\u8c61\u53d8\u5316\u3002\nlist1[0][0] = 2;\nprint(list2);\n#\u7ed3\u679c\uff1a\u590d\u5236\u5bf9\u8c61\u53d1\u751f\u53d8\u5316\n[[2, 2], 'fei', 66]\n#\u6539\u53d8\u7b2c\u4e8c\u4e2a\u503c,\u67e5\u770b\u590d\u5236\u5bf9\u8c61\u53d8\u5316\u3002\nlist1[1] = 'ge';\nprint(list2);\n#\u7ed3\u679c\uff1a\u590d\u5236\u5bf9\u8c61\u6ca1\u53d1\u751f\u53d8\u4e86\n[[2, 2], 'fei', 66]<\/pre>\n
\u76f8\u5173\u63a8\u8350\uff1a\u300aPython\u6559\u7a0b\u300b<\/p>\n
\u6df1\u62f7\u8d1d<\/strong><\/p>\n
copy\u6a21\u5757\u91cc\u9762\u7684deepcopy\u65b9\u6cd5\u5b9e\u73b0\u3002\u6df1\u62f7\u8d1d\uff0c\u9664\u4e86\u9876\u5c42\u62f7\u8d1d\uff0c\u8fd8\u5bf9\u5b50\u5143\u7d20\u4e5f\u8fdb\u884c\u4e86\u62f7\u8d1d\u3002\u7ecf\u8fc7\u6df1\u62f7\u8d1d\u540e\uff0c\u539f\u59cb\u5bf9\u8c61\u548c\u62f7\u8d1d\u5bf9\u8c61\u6240\u6709\u7684\u53ef\u53d8\u5143\u7d20\u5730\u5740\u90fd\u6ca1\u6709\u76f8\u540c\u7684\u4e86\u3002<\/p>\n
\u4ee3\u7801\u6f14\u793a<\/strong><\/p>\n
import copy\n#\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u662f\u53ef\u53d8\u7c7b\u578b\u3002\nlist1 = [[1,2], 'fei', 66];\n#\u8fdb\u884c\u6df1copy\nlist2 = copy.copy(list1);\n#\u5bf9\u8c61\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1));\nprint(id(list2));\n#\u7ed3\u679c\uff1a\u4e0d\u540c\n46177816\n46177936\n#\u7b2c\u4e00\u4e2a\u5143\u7d20\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1[0]));\nprint(id(list2[0]));\n#\u7ed3\u679c\uff1a\u4e0d\u540c\n49123856\n49588784\n#\u7b2c\u4e8c\u4e2a\u5143\u7d20\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\nprint(id(list1[1]));\nprint(id(list2[1]));\n#\u7ed3\u679c\uff1a\u76f8\u540c\n45547328\n45547328\n#\u6539\u53d8\u7b2c\u4e00\u4e2a\u503c,\u67e5\u770b\u590d\u5236\u5bf9\u8c61\u53d8\u5316\u3002\nlist1[0][0] = 2;\nprint(list2);\n#\u7ed3\u679c\uff1a\u590d\u5236\u5bf9\u8c61\u6ca1\u53d1\u751f\u53d8\u4e86\n[[1, 2], 'fei', 66]\n#\u6539\u53d8\u7b2c\u4e8c\u4e2a\u503c,\u67e5\u770b\u590d\u5236\u5bf9\u8c61\u53d8\u5316\u3002\nlist1[1] = 'ge';\nprint(list2);\n#\u7ed3\u679c\uff1a\u590d\u5236\u5bf9\u8c61\u6ca1\u53d1\u751f\u53d8\u4e86\n[[1, 2], 'fei', 66]<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6d45\u62f7\u8d1d copy\u6a21\u5757\u91cc\u9762\u7684copy\u65b9\u6cd5\u5b9e\u73b0\u3002\u6d45\u62f7\u8d1d\u540e\uff0c\u6539\u53d8\u539f\u59cb\u5bf9\u8c61\u4e2d\u4e3a\u53ef\u53d8\u7c7b\u578b\u7684\u5143\u7d20\u7684\u503c\uff0c\u4f1a\u540c\u65f6\u5f71\u54cd\u62f7\u8d1d\u5bf9\u8c61\uff1b […]<\/p>\n","protected":false},"author":1,"featured_media":169509,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-169508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/169508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=169508"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/169508\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/169509"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=169508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=169508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=169508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}