{"id":204623,"date":"2025-05-29T15:33:19","date_gmt":"2025-05-29T07:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204623\/"},"modified":"2025-05-29T15:33:19","modified_gmt":"2025-05-29T07:33:19","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%9c%a8-printlistg-%e5%90%8e%e6%97%a0%e6%b3%95%e6%89%a7%e8%a1%8c-printi-%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204623\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5728 print(list(g)) \u540e\u65e0\u6cd5\u6267\u884c print(i) \uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u4e3a\u4ec0\u4e48\u5728 print(list(g)) \u540e\u65e0\u6cd5\u6267\u884c print(i) \uff1f<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

<\/p>\n

\u53bb\u6389 print(list(g)) \u540e\u624d\u80fd\u6267\u884c print(i) \u7684\u539f\u56e0<\/strong><\/p>\n

\u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570 y \u548c\u4e00\u4e2a\u6267\u884c\u51fd\u6570 exec\u3002y \u51fd\u6570\u751f\u6210\u4e00\u4e2a\u5e8f\u5217\u7684\u8fed\u4ee3\u5668\uff0c\u800c exec \u51fd\u6570\u5148\u6253\u5370\u8be5\u8fed\u4ee3\u5668\u7684\u5217\u8868\uff08\u5373\u5168\u90e8\u5185\u5bb9\uff09\uff0c\u7136\u540e\u904d\u5386\u8be5\u8fed\u4ee3\u5668\u5e76\u6253\u5370\u5176\u5143\u7d20\u3002<\/p>\n

\u95ee\u9898\u5728\u4e8e\uff0c\u5f53\u6267\u884c exec(g) \u65f6\uff0c\u7531\u4e8e print(list(g)) \u5c06\u8fed\u4ee3\u5668 g \u4e2d\u7684\u5143\u7d20\u5168\u90e8\u6d88\u8017\uff0c\u4e4b\u540e\u5728 for i in g \u4e2d\u5c1d\u8bd5\u904d\u5386 g \u65f6\uff0c\u5b9e\u9645\u4e0a\u6ca1\u6709\u4efb\u4f55\u5143\u7d20\u53ef\u4f9b\u904d\u5386\u3002\u56e0\u6b64\uff0cprint(i) \u65e0\u6cd5\u6267\u884c\u3002<\/p>\n

\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06 exec \u51fd\u6570\u66f4\u6539\u4e3a\u4ee5\u4e0b\u5f62\u5f0f\uff1a<\/p>\n

def exec(g):\n    for i in g:\n        print(i)<\/pre>\n
\u8fd9\u6837\uff0c\u5b83\u4f1a\u5728\u4e0d\u6d88\u8017\u6574\u4e2a\u8fed\u4ee3\u5668\u7684\u60c5\u51b5\u4e0b\u904d\u5386 g \u5e76\u6253\u5370\u5176\u5143\u7d20\uff0c\u56e0\u6b64 print(i) \u5c06\u80fd\u591f\u5728 print(list(g)) \u4e4b\u540e\u6267\u884c\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48\u5728 print(list(g)) \u540e\u65e0\u6cd5\u6267\u884c print(i) \uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3a\u4ec0\u4e48\u5728 print(list(...<\/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-204623","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204623","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=204623"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204623\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}