{"id":2419,"date":"2017-06-30T20:53:28","date_gmt":"2017-06-30T12:53:28","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2419"},"modified":"2025-01-08T15:26:58","modified_gmt":"2025-01-08T07:26:58","slug":"python%e5%9f%ba%e7%a1%8007-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/python\/python%e5%9f%ba%e7%a1%8007-%e5%87%bd%e6%95%b0\/","title":{"rendered":"Python\u57fa\u784007 \u51fd\u6570"},"content":{"rendered":"

\u51fd\u6570\u6700\u91cd\u8981\u7684\u76ee\u7684\u662f\u65b9\u4fbf\u6211\u4eec\u91cd\u590d\u4f7f\u7528\u76f8\u540c\u7684\u4e00\u6bb5\u7a0b\u5e8f\u3002<\/p>\n

\u5c06\u4e00\u4e9b\u64cd\u4f5c\u96b6\u5c5e\u4e8e\u4e00\u4e2a\u51fd\u6570\uff0c\u4ee5\u540e\u4f60\u60f3\u5b9e\u73b0\u76f8\u540c\u7684\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u53ea\u7528\u8c03\u7528\u51fd\u6570\u540d\u5c31\u53ef\u4ee5\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u590d\u6572\u6240\u6709\u7684\u8bed\u53e5\u3002<\/p>\n

\u51fd\u6570\u7684\u5b9a\u4e49<\/h3>\n

\u9996\u5148\uff0c\u6211\u4eec\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570, \u4ee5\u8bf4\u660e\u8fd9\u4e2a\u51fd\u6570\u7684\u529f\u80fd\u3002<\/p>\n

\n
def square_sum(a,b):\n    c = a**2 + b**2\n    return c<\/pre>\n<\/div>\n
\u8fd9\u4e2a\u51fd\u6570\u7684\u529f\u80fd\u662f\u6c42\u4e24\u4e2a\u6570\u7684\u5e73\u65b9\u548c\u3002<\/p>\n
\u9996\u5148\uff0cdef\uff0c\u8fd9\u4e2a\u5173\u952e\u5b57\u901a\u77e5python\uff1a\u6211\u5728\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u3002square_sum\u662f\u51fd\u6570\u540d\u3002<\/p>\n
\u62ec\u53f7\u4e2d\u7684a, b\u662f\u51fd\u6570\u7684\u53c2\u6570\uff0c\u662f\u5bf9\u51fd\u6570\u7684\u8f93\u5165\u3002\u53c2\u6570\u53ef\u4ee5\u6709\u591a\u4e2a\uff0c\u4e5f\u53ef\u4ee5\u5b8c\u5168\u6ca1\u6709\uff08\u4f46\u62ec\u53f7\u8981\u4fdd\u7559\uff09\u3002<\/p>\n
\u6211\u4eec\u5df2\u7ecf\u5728\u5faa\u73af\u548c\u9009\u62e9\u4e2d\u89c1\u8fc7\u5192\u53f7\u548c\u7f29\u8fdb\u6765\u8868\u793a\u7684\u96b6\u5c5e\u5173\u7cfb\u3002<\/p>\n
c = a**2 + b**2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 # \u8fd9\u4e00\u53e5\u662f\u51fd\u6570\u5185\u90e8\u8fdb\u884c\u7684\u8fd0\u7b97<\/p>\n
return c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 # \u8fd4\u56dec\u7684\u503c\uff0c\u4e5f\u5c31\u662f\u8f93\u51fa\u7684\u529f\u80fd\u3002Python\u7684\u51fd\u6570\u5141\u8bb8\u4e0d\u8fd4\u56de\u503c\uff0c\u4e5f\u5c31\u662f\u4e0d\u7528return\u3002<\/p>\n
return\u53ef\u4ee5\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u4ee5\u9017\u53f7\u5206\u9694\u3002\u76f8\u5f53\u4e8e\u8fd4\u56de\u4e00\u4e2atuple(\u5b9a\u503c\u8868)\u3002<\/p>\n
return a,b,c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0# \u76f8\u5f53\u4e8e return (a,b,c)<\/p>\n
\u5728Python\u4e2d\uff0c\u5f53\u7a0b\u5e8f\u6267\u884c\u5230return\u7684\u65f6\u5019\uff0c\u7a0b\u5e8f\u5c06\u505c\u6b62\u6267\u884c\u51fd\u6570\u5185\u4f59\u4e0b\u7684\u8bed\u53e5\u3002return\u5e76\u4e0d\u662f\u5fc5\u987b\u7684\uff0c\u5f53\u6ca1\u6709return, \u6216\u8005return\u540e\u9762\u6ca1\u6709\u8fd4\u56de\u503c\u65f6\uff0c\u51fd\u6570\u5c06\u81ea\u52a8\u8fd4\u56deNone\u3002None\u662fPython\u4e2d\u7684\u4e00\u4e2a\u7279\u522b\u7684\u6570\u636e\u7c7b\u578b\uff0c\u7528\u6765\u8868\u793a\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u76f8\u5f53\u4e8eC\u4e2d\u7684NULL\u3002None\u591a\u7528\u4e8e\u5173\u952e\u5b57\u53c2\u6570\u4f20\u9012\u7684\u9ed8\u8ba4\u503c\u3002<\/p>\n
\u51fd\u6570\u8c03\u7528\u548c\u53c2\u6570\u4f20\u9012<\/h3>\n
\u5b9a\u4e49\u8fc7\u51fd\u6570\u540e\uff0c\u5c31\u53ef\u4ee5\u5728\u540e\u9762\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u8fd9\u4e00\u51fd\u6570<\/p>\n
\n
print square_sum(3,4)<\/pre>\n<\/div>\n
Python\u901a\u8fc7\u4f4d\u7f6e\uff0c\u77e5\u90533\u5bf9\u5e94\u7684\u662f\u51fd\u6570\u5b9a\u4e49\u4e2d\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570a\uff0c 4\u5bf9\u5e94\u7b2c\u4e8c\u4e2a\u53c2\u6570b\uff0c\u7136\u540e\u628a\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570square_sum\u3002<\/p>\n
\uff08Python\u6709\u4e30\u5bcc\u7684\u53c2\u6570\u4f20\u9012\u65b9\u5f0f\uff0c\u8fd8\u6709\u5173\u952e\u5b57\u4f20\u9012\u3001\u8868\u4f20\u9012\u3001\u5b57\u5178\u4f20\u9012\u7b49\uff0c\u57fa\u7840\u6559\u7a0b\u5c06\u53ea\u6d89\u53ca\u4f4d\u7f6e\u4f20\u9012\uff09<\/p>\n
\u51fd\u6570\u7ecf\u8fc7\u8fd0\u7b97\uff0c\u8fd4\u56de\u503c25, \u8fd9\u4e2a25\u88abprint\u6253\u5370\u51fa\u6765\u3002<\/p>\n
\u6211\u4eec\u518d\u770b\u4e0b\u9762\u4e24\u4e2a\u4f8b\u5b50<\/p>\n
\n
a = 1\n\ndef change_integer(a):\n    a = a + 1\n    return a\n\nprint change_integer(a)\nprint a\n\n#===(Python\u4e2d \"#\" \u540e\u9762\u8ddf\u7684\u5185\u5bb9\u662f\u6ce8\u91ca\uff0c\u4e0d\u6267\u884c )\n\nb = [1,2,3]\n\ndef change_list(b):\n    b[0] = b[0] + 1\n    return b\n\nprint change_list(b)\nprint b<\/pre>\n<\/div>\n
\u7b2c\u4e00\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u6574\u6570\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u51fd\u6570\u5bf9\u5b83\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f46\u539f\u6574\u6570\u53d8\u91cfa\u4e0d\u53d1\u751f\u53d8\u5316\u3002<\/p>\n
\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u8868\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u51fd\u6570\u8fdb\u884c\u64cd\u4f5c\uff0c\u539f\u6765\u7684\u8868b\u53d1\u751f\u53d8\u5316\u3002<\/p>\n
\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u53d8\u91cf\u4f20\u9012\u7ed9\u51fd\u6570\u540e\uff0c\u51fd\u6570\u4f1a\u5728\u5185\u5b58\u4e2d\u590d\u5236\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u4ece\u800c\u4e0d\u5f71\u54cd\u539f\u6765\u7684\u53d8\u91cf\u3002\uff08\u6211\u4eec\u79f0\u6b64\u4e3a\u503c\u4f20\u9012\uff09<\/p>\n
\u4f46\u662f\u5bf9\u4e8e\u8868\u6765\u8bf4\uff0c\u8868\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u662f\u4e00\u4e2a\u6307\u9488\uff0c\u6307\u9488\u6307\u5411\u5e8f\u5217\u5728\u5185\u5b58\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5728\u51fd\u6570\u4e2d\u5bf9\u8868\u7684\u64cd\u4f5c\u5c06\u5728\u539f\u6709\u5185\u5b58\u4e2d\u8fdb\u884c\uff0c\u4ece\u800c\u5f71\u54cd\u539f\u6709\u53d8\u91cf\u3002 \uff08\u6211\u4eec\u79f0\u6b64\u4e3a\u6307\u9488\u4f20\u9012\uff09<\/p>\n
\u603b\u7ed3<\/h3>\n
\n
def function_name(a,b,c):\n    statement\n    return something \u00a0# return\u4e0d\u662f\u5fc5\u987b\u7684<\/pre>\n<\/div>\n
\u51fd\u6570\u7684\u76ee\u7684\uff1a \u63d0\u9ad8\u7a0b\u5e8f\u7684\u91cd\u590d\u53ef\u7528\u6027\u3002<\/p>\n
return\u00a0\u00a0\u00a0\u00a0 None<\/p>\n
\u901a\u8fc7\u4f4d\u7f6e\uff0c\u4f20\u9012\u53c2\u6570\u3002<\/p>\n
\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u53c2\u6570\uff1a\u503c\u4f20\u9012<\/p>\n
\u8868\u4f5c\u4e3a\u53c2\u6570\uff1a\u6307\u9488\u4f20\u9012<\/p>\n
\u7ec3\u4e60:<\/p>\n
\u5199\u4e00\u4e2a\u5224\u65ad\u95f0\u5e74\u7684\u51fd\u6570\uff0c\u53c2\u6570\u4e3a\u5e74\u3001\u6708\u3001\u65e5\u3002\u82e5\u662f\u662f\u95f0\u5e74\uff0c\u8fd4\u56deTrue<\/p>\n
\u6587\u7ae0\u6765\u81ea\u7f51\u7edc\u535a\u5ba2\uff1ahttps:\/\/www.cnblogs.com\/vamei<\/p>\n","protected":false},"excerpt":{"rendered":"
\u51fd\u6570\u6700\u91cd\u8981\u7684\u76ee\u7684\u662f\u65b9\u4fbf\u6211\u4eec\u91cd\u590d\u4f7f\u7528\u76f8\u540c\u7684\u4e00\u6bb5\u7a0b\u5e8f\u3002 \u5c06\u4e00\u4e9b\u64cd\u4f5c\u96b6\u5c5e\u4e8e\u4e00\u4e2a\u51fd\u6570\uff0c\u4ee5\u540e\u4f60\u60f3\u5b9e\u73b0\u76f8\u540c\u7684\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u53ea … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[654],"tags":[720,719],"class_list":["post-2419","post","type-post","status-publish","format-standard","hentry","category-python","tag-python"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=2419"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2419\/revisions"}],"predecessor-version":[{"id":9162,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2419\/revisions\/9162"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}