{"id":204229,"date":"2025-05-29T14:06:52","date_gmt":"2025-05-29T06:06:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204229\/"},"modified":"2025-05-29T14:06:52","modified_gmt":"2025-05-29T06:06:52","slug":"python-%e4%b8%ad-map-%e5%87%bd%e6%95%b0%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%8d%e7%ab%8b%e5%8d%b3%e6%89%a7%e8%a1%8c%ef%bc%9f%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204229\/","title":{"rendered":"Python \u4e2d map \u51fd\u6570\u4e3a\u4ec0\u4e48\u4e0d\u7acb\u5373\u6267\u884c\uff1f\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u4e2d map \u51fd\u6570\u4e3a\u4ec0\u4e48\u4e0d\u7acb\u5373\u6267\u884c\uff1f\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPython \u4e2d map \u51fd\u6570\u4e3a\u4ec0\u4e48\u4e0d\u7acb\u5373\u6267\u884c\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241101\/17304615456724bf692c9b7.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python \u4e2d map \u4e0d\u6267\u884c\u7684\u539f\u56e0\u53ca\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0cmap() \u51fd\u6570\u8fd4\u56de\u4e00\u4e2a map \u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u7acb\u5373\u6267\u884c\u6307\u5b9a\u7684\u8bed\u53e5\u3002\u8fd9\u662f\u56e0\u4e3a map() \u662f\u4e00\u79cd\u60f0\u6027\u51fd\u6570\uff0c\u5728\u904d\u5386\u5b83\u65f6\u624d\u4f1a\u771f\u6b63\u6267\u884c\u8bed\u53e5\u3002<\/p>\n<p>\u8fd9\u5c31\u89e3\u91ca\u4e86\u793a\u4f8b\u4ee3\u7801 &lt;pre&gt;map(lambda x:print(x),[1,2,3])&lt;\/pre&gt; \u8fd4\u56de &lt;map object at 0x0000020819c83550&gt; \u7684\u539f\u56e0\u3002\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a map \u5bf9\u8c61\uff0c\u4f46\u4e0d\u4f1a\u7acb\u5373\u6253\u5370\u5143\u7d20\u3002<\/p>\n<p>\u8981\u7acb\u5373\u6253\u5370\u5143\u7d20\uff0c\u53ef\u4ee5\u5728 map \u5bf9\u8c61\u4e0a\u8c03\u7528 list()\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>list(map(lambda x:print(x),[1,2,3]))<\/pre>\n<p>\u8fd9\u5c06\u751f\u6210\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre>1\n2\n3<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPython \u4e2d map \u51fd\u6570\u4e3a\u4ec0\u4e48\u4e0d\u7acb\u5373\u6267\u884c\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u4e2d map \u51fd\u6570\u4e3a&#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-204229","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204229","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=204229"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204229\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}