{"id":1134,"date":"2026-08-10T15:49:30","date_gmt":"2026-08-10T07:49:30","guid":{"rendered":"http:\/\/www.xxszxw.net\/?p=1134"},"modified":"2026-08-10T16:29:34","modified_gmt":"2026-08-10T08:29:34","slug":"python%e7%bc%96%e7%a8%8b%e6%98%93%e9%94%99%e9%a2%982","status":"publish","type":"post","link":"http:\/\/www.xxszxw.net\/?p=1134","title":{"rendered":"python\u7f16\u7a0b\u6613\u9519\u98982"},"content":{"rendered":"<p>a=[1,1,1,1]<br \/>\nb=a<br \/>\na[0]=2<br \/>\nprint(b)<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c\u662f[2, 1, 1, 1]\uff0c\u800c\u4e0d\u662f[1, 1, 1, 1]<\/p>\n<p><span style=\"color: #ff0000;\"><strong><span class=\"\">\u5173\u952e\u70b9<\/span><\/strong><span class=\"\">\uff1a<\/span><code>b = a<\/code><span class=\"\">\u00a0\u4e0d\u662f\u590d\u5236\u5217\u8868\uff0c\u800c\u662f\u8ba9\u00a0<\/span><code>b<\/code><span class=\"\">\u00a0\u548c\u00a0<\/span><code>a<\/code><span class=\"\">\u00a0<\/span><strong><span class=\"\">\u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868\u5bf9\u8c61<\/span><\/strong><span class=\"\">\u3002<\/span><\/span><\/p>\n<p><code>a<\/code><span class=\"\">\u00a0\u548c\u00a0<\/span><code>b<\/code><span class=\"\">\u00a0\u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868\uff0c\u4fee\u6539\u00a0<\/span><code>a[0]<\/code><span class=\"\">\u00a0\u5b9e\u9645\u4e0a\u4fee\u6539\u7684\u662f\u8fd9\u4e2a\u5171\u4eab\u5217\u8868\uff0c\u6240\u4ee5\u00a0<\/span><code>b<\/code><span class=\"\">\u00a0\u4e5f\u770b\u5230\u4e86\u53d8\u5316\u3002<\/span><\/p>\n<h2><span class=\"\">\u5982\u4f55\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff1f<\/span><\/h2>\n<p>a = [1, 1, 1, 1]<br \/>\n<span style=\"color: #ff0000;\">b = a.copy() # \u65b9\u6cd51<\/span><br \/>\n# \u6216<br \/>\n<span style=\"color: #ff0000;\">b = a[:] # \u65b9\u6cd52<\/span><br \/>\n# \u6216<br \/>\n<span style=\"color: #ff0000;\">b = list(a) # \u65b9\u6cd53<\/span><\/p>\n<p>a[0] = 2<br \/>\nprint(b) # \u8f93\u51fa\uff1a[1, 1, 1, 1]<\/p>\n<p><span style=\"color: #ff0000;\"><strong><span class=\"\">\u8bb0\u4f4f<\/span><\/strong><span class=\"\">\uff1a\u5728Python\u4e2d\uff0c<\/span><code>b = a<\/code><span class=\"\">\u00a0\u5bf9\u4e8e\u53ef\u53d8\u5bf9\u8c61\uff08\u5217\u8868\u3001\u5b57\u5178\u3001\u96c6\u5408\uff09\u662f<\/span><strong><span class=\"\">\u5f15\u7528\u4f20\u9012<\/span><\/strong><span class=\"\">\uff0c\u4e0d\u662f\u503c\u4f20\u9012\uff01<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>a=[1,1,1,1] b=a a[0]=2 print(b) \u8f93\u51fa\u7ed3\u679c\u662f[2, 1, 1, 1]\uff0c\u800c\u4e0d\u662f[1, 1, 1, 1] \u5173\u952e\u70b9\uff1ab = a\u00a0\u4e0d\u662f\u590d\u5236\u5217\u8868\uff0c\u800c\u662f\u8ba9\u00a0b\u00a0\u548c\u00a0a\u00a0\u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868&#8230; <a class=\"read-more\" href=\"http:\/\/www.xxszxw.net\/?p=1134\"><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1134","post","type-post","status-publish","format-standard","hentry","category-dnjs"],"views":123,"_links":{"self":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1134"}],"version-history":[{"count":1,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1134\/revisions"}],"predecessor-version":[{"id":1135,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1134\/revisions\/1135"}],"wp:attachment":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1134"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}