{"id":204670,"date":"2025-05-29T16:29:03","date_gmt":"2025-05-29T08:29:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204670\/"},"modified":"2025-05-29T16:29:03","modified_gmt":"2025-05-29T08:29:03","slug":"python-%e6%98%9f%e5%8f%b7%e8%a1%a8%e8%be%be%e5%bc%8f%e6%80%8e%e6%a0%b7%e6%ad%a3%e7%a1%ae%e4%bd%bf%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204670\/","title":{"rendered":"Python \u661f\u53f7\u8868\u8fbe\u5f0f\u600e\u6837\u6b63\u786e\u4f7f\u7528\uff1f"},"content":{"rendered":"

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

Python \u661f\u53f7\u8868\u8fbe\u5f0f\u600e\u6837\u6b63\u786e\u4f7f\u7528\uff1f<\/h1>\n

\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPython \u661f\u53f7\u8868\u8fbe\u5f0f\u600e\u6837\u6b63\u786e\u4f7f\u7528\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

<\/p>\n

python \u4e2d\u7684\u661f\u53f7\u8868\u8fbe\u5f0f<\/strong><\/p>\n

\u661f\u53f7\u8868\u8fbe\u5f0f * \u53ef\u4ee5\u7528\u4e8e\u89e3\u5305\u5e8f\u5217\uff0c\u5982\u5217\u8868\u6216\u5143\u7ec4\u3002\u4f46\u662f\uff0c\u5728\u4f7f\u7528\u661f\u53f7\u8868\u8fbe\u5f0f\u65f6\u4f1a\u51fa\u73b0\u4e00\u4e9b\u9519\u8bef\u5199\u6cd5\u3002<\/p>\n

\u9519\u8bef\u5199\u6cd5<\/strong><\/p>\n

*a=range(0,5,2)  # \u9519\u8bef\u63d0\u793a syntaxerror: starred assignment target must be in a list or tuple<\/pre>\n
\u6b63\u786e\u5199\u6cd5<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u9017\u53f7\u6216\u7a7a\u5217\u8868\u6765\u907f\u514d\u6b64\u9519\u8bef\uff1a<\/p>\n
<em>a,=range(0,5,2)  # a \u88ab\u58f0\u660e\u4e3a\u5143\u7ec4\u7c7b\u578b\n[<\/em>a]=range(0,5,2)  # a \u88ab\u5b58\u50a8\u5728\u7a7a\u5217\u8868\u4e2d<\/pre>\n
\u661f\u53f7\u8868\u8fbe\u5f0f\u7684\u4f5c\u7528<\/strong><\/p>\n
    \n
  • \u5728\u51fd\u6570\u4e2d\uff0c\u661f\u53f7\u8868\u8fbe\u5f0f\u53ef\u4ee5\u4f5c\u4e3a\u5f62\u53c2\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u4f4d\u7f6e\u53c2\u6570\u3002<\/li>\n
  • \u5728\u8d4b\u503c\u8bed\u53e5\u4e2d\uff0c\u661f\u53f7\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5c06\u5e8f\u5217\u4e2d\u7684\u5143\u7d20\u89e3\u5305\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002<\/li>\n
  • \u5143\u7ec4\u548c\u5217\u8868\u5bf9\u8c61\u53ef\u4ee5\u63a5\u6536\u661f\u53f7\u8868\u8fbe\u5f0f\u3002<\/li>\n<\/ul>\n
    \u4f7f\u7528 <\/strong> \u89e3\u5305\u5b57\u5178**<\/p>\n
    \u661f\u53f7\u8868\u8fbe\u5f0f\u4e5f\u53ef\u7528\u4e8e\u89e3\u5305\u5b57\u5178\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    **kwargs = {'a': 1, 'b': 2}\n\ndef func(**params):\n    print(params)  # {'a': 1, 'b': 2}<\/pre>\n
    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c**kwargs \u5c06\u89e3\u5305\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u5e76\u8d4b\u503c\u7ed9 func() \u51fd\u6570\u4e2d\u7684 params \u53c2\u6570\u3002<\/p>\n
    \u5b98\u65b9\u89e3\u91ca<\/strong><\/p>\n
    python \u5b98\u65b9\u5c06 *a, \u8868\u8ff0\u4e3a\u9519\u8bef\u8bed\u6cd5\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u662f\u6709\u6548\u7684\u3002 dis \u6a21\u5757\u7684\u5b57\u8282\u7801\u663e\u793a *a, \u548c (*a,) \u751f\u6210\u4e86\u76f8\u540c\u7684\u5b57\u8282\u7801\u3002\u56e0\u6b64\uff0c\u4e24\u8005\u5728\u672c\u8d28\u4e0a\u662f\u76f8\u540c\u7684\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPython \u661f\u53f7\u8868\u8fbe\u5f0f\u600e\u6837\u6b63\u786e\u4f7f\u7528\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    Python \u661f\u53f7\u8868\u8fbe\u5f0f\u600e\u6837\u6b63\u786e...<\/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-204670","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204670","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=204670"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204670\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}