{"id":204609,"date":"2025-05-29T10:56:15","date_gmt":"2025-05-29T02:56:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204609\/"},"modified":"2025-05-29T10:56:15","modified_gmt":"2025-05-29T02:56:15","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%9c%a8-python-%e4%bb%a3%e7%a0%81%e4%b8%ad%ef%bc%8cprintlistg-%e5%90%8e%e6%97%a0%e6%b3%95%e5%86%8d%e6%89%a7%e8%a1%8c-printi%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204609\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\uff0c`print(list(g))` \u540e\u65e0\u6cd5\u518d\u6267\u884c `print(i)`\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\uff0c`print(list(g))` \u540e\u65e0\u6cd5\u518d\u6267\u884c `print(i)`\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\uff0c`print(list(g))` \u540e\u65e0\u6cd5\u518d\u6267\u884c `print(i)`\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17313183466731d24ac2302.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u53bb\u6389 print(list(g)) \u540e\u624d\u80fd\u6267\u884c print(i) \u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5728\u7ed9\u51fa\u7684 python \u4ee3\u7801\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4ee5\u4e0b\u4e24\u4e2a\u51fd\u6570\uff1a<\/p>\n<pre>def y(list):\n    for i in list:\n        yield i\n\ndef exec(g):\n    print(list(g))  # 1\n    for i in g:     # 2\n        print(i)<\/pre>\n<p>\u540c\u65f6\uff0c\u8fd8\u521b\u5efa\u4e86\u4e00\u4e2a\u5143\u7ec4 t\uff0c\u7136\u540e\u5c06 t \u4f20\u9012\u7ed9 y \u51fd\u6570\uff0c\u5e76\u5c06\u7ed3\u679c\u8d4b\u503c\u7ed9\u8fed\u4ee3\u5668 g\u3002\u6700\u540e\uff0c\u8c03\u7528 exec \u51fd\u6570\uff0c\u4f20\u5165 g \u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p>\u5f53\u4e0d\u8c03\u7528 print(list(g)) \u65f6\uff0ci \u5faa\u73af\u5c06\u6b63\u5e38\u6267\u884c\uff0c\u5e76\u6253\u5370\u5143\u7ec4 t \u4e2d\u7684\u5143\u7d20\u3002\u8fd9\u662f\u56e0\u4e3a\u8fed\u4ee3\u5668 g \u5c1a\u672a\u88ab\u904d\u5386\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5f53\u8c03\u7528 print(list(g)) \u65f6\uff0c\u5b83\u4f1a\u5c06\u8fed\u4ee3\u5668 g \u904d\u5386\u4e00\u6b21\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u6210\u4e00\u4e2a\u5217\u8868\u3002\u8fd9\u610f\u5473\u7740\u5f53 i \u5faa\u73af\u5f00\u59cb\u6267\u884c\u65f6\uff0c\u8fed\u4ee3\u5668 g \u5df2\u7ecf\u6ca1\u6709\u5143\u7d20\u53ef\u4f9b\u8fed\u4ee3\u4e86\u3002\u8fd9\u5c31\u662f print(i) \u65e0\u6cd5\u6267\u884c\u7684\u539f\u56e0\uff0c\u56e0\u4e3a\u5b83\u627e\u4e0d\u5230\u5b83\u6b63\u5728\u5bfb\u627e\u7684\u5143\u7d20\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u53ea\u6709\u5f53 print(list(g)) \u88ab\u8c03\u7528\u65f6\uff0cprint(i) \u624d\u4f1a\u5931\u8d25\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u6d88\u8017\u6389\u8fed\u4ee3\u5668 g \u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5bfc\u81f4 i \u5faa\u73af\u6ca1\u6709\u5143\u7d20\u53ef\u4f9b\u8fed\u4ee3\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\uff0c`print(list(g))` \u540e\u65e0\u6cd5\u518d\u6267\u884c `print(i)`\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\uff0c&#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-204609","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204609","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=204609"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204609\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}