{"id":1017,"date":"2023-03-24T09:47:07","date_gmt":"2023-03-24T01:47:07","guid":{"rendered":""},"modified":"2023-03-24T09:47:07","modified_gmt":"2023-03-24T01:47:07","slug":"Python \u53d8\u91cf","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/1017.html","title":{"rendered":"Python \u53d8\u91cf"},"content":{"rendered":"


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\n <\/p>\n

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Python \u53d8\u91cf<\/h1>\n

\u641e\u61c2Python\u53d8\u91cf\u58f0\u660e\u3001\u5b58\u50a8\u548c\u57fa\u672c\u89c4\u5219<\/span>\n <\/div>\n

\u53d8\u91cf\u7684\u4f5c\u7528<\/h2>\n

\u53d8\u91cf\u662f\u4e00\u79cd\u8f7d\u4f53\uff0c\u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u3002<\/span>
\n \u53d8\u91cf\u7684\u503c\u53ef\u4ee5\u88ab\u8bfb\u53d6\u548c\u4fee\u6539\u3002<\/span>
\n \u53d8\u91cf\u4e0d\u9700\u8981\u5355\u72ec\u58f0\u660e\uff0c\u9996\u6b21\u8d4b\u503c\u65f6\u5c31\u4f1a\u88ab\u521b\u5efa.<\/span> <\/p>\n

\u53d8\u91cf\u7684\u547d\u540d\u89c4\u8303<\/h2>\n
\n \u53d8\u91cf\u53ef\u4ee5\u4f7f\u7528\u77ed\u540d\u79f0\uff08\u5982 a \u548c b\uff09\u6216\u7528\u66f4\u76f4\u89c2\u7684\u540d\u79f0\uff08cat\u3001animal\u3001username\uff09\u3002\u53d8\u91cf\u547d\u540d\u89c4\u5219\u5305\u62ec\uff1a\n <\/div>\n

\u53d8\u91cf\u540d\u5fc5\u987b\u4ee5\u5b57\u6bcd\u6216\u4e0b\u5212\u7ebf\u5b57\u7b26\u5f00\u5934\uff0c\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934\u3002<\/span>
\n \u53d8\u91cf\u540d\u79f0\u7531\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u5b57\u7b26\u548c\u4e0b\u5212\u7ebf\uff08A-z\u30010-9 \u548c _\uff09\u7ec4\u6210<\/span>
\n \u53d8\u91cf\u540d\u79f0\u533a\u5206\u5927\u5c0f\u5199\uff08a\u3001A\u662f2\u4e2a\u4e0d\u540c\u7684\u53d8\u91cf\uff09\u3002<\/span> <\/p>\n

\n \u6ce8\u610f\uff1a<\/span>\u53d8\u91cf\u540d\u79f0\u533a\u5206\u5927\u5c0f\u5199\u3002\n <\/div>\n

\u53d8\u91cf\u7684\u7528\u6cd5<\/h2>\n
\n 1\u3001\u8f93\u51fa\u53d8\u91cf: \u53d8\u91cf\u8f93\u51fa\u901a\u8fc7\u201dprint\u201d\u5173\u952e\u5b57\u5b9e\u73b0\u3002\n <\/div>\n
\n
a = 1<\/span>
print(a<\/span>)<\/span> \n
<\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
1<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    2\u3001\u8d4b\u503c\u521b\u5efa\u53d8\u91cf\n  <\/div>\n
\n
 a = 1<\/span>
 b = \"Hello World\uff01\"<\/span>
 print(a<\/span>)<\/span> \n
 print( \nb<\/span>)<\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
1
Hello World\uff01<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n   \u6ce8\u610f\uff1a<\/span>\u53d8\u91cf\u4e0d\u9700\u8981\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u3002\n  <\/div>\n
\n    3\u3001\u53d8\u91cf\u503c\u8986\u76d6\n  <\/div>\n
\n
 a = \"Hello\"<\/span>
 a = \"World\"<\/span>
 print(a<\/span>)<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
World<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    4\u3001\u591a\u4e2a\u53d8\u91cf\u8d4b\u4e0d\u540c\u503c\n  <\/div>\n
\n
 a, b, c = \"cat\", \"dog\", \"cow\"<\/span>
 print(a<\/span>)
 print(b<\/span>)
 print(c<\/span>)<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
cat<\/span> \n
 \ndog<\/span> \n
 \ncow<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n   \u6ce8\u610f\uff1a<\/span>\u591a\u4e2a\u53d8\u91cf\u8d4b\u503c\u7b49\u53f7\u524d\u540e\u53d8\u91cf\u548c\u503c\u987a\u5e8f\u8981\u4e00\u81f4\uff0c\u53d8\u91cf\u548c\u503c\u7528\u201c,\u201d\u9017\u53f7\u5206\u9694\u3002\n  <\/div>\n
\n    5\u3001\u591a\u4e2a\u53d8\u91cf\u8d4b\u76f8\u540c\u503c\n  <\/div>\n
\n
 a = b = c = \"cat\"<\/span>
 print(a<\/span>) print(b<\/span>)
 print(c<\/span>)<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
cat<\/span> \n
 \ncat<\/span> \n
 \ncat<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n   \u6ce8\u610f\uff1a<\/span>\u591a\u4e2a\u53d8\u91cf\u7528\u201c=\u201d\u8fde\u63a5\u800c\u4e0d\u662f\u201c,\u201d\u3002\n  <\/div>\n
\n    6\u3001\u53d8\u91cf\u7684\u8ba1\u7b97\n  <\/div>\n
\n
 a = 1<\/span>
 b = 2<\/span>
 x = a+b<\/span>
 print(x<\/span>)<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
3<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n   \u6ce8\u610f\uff1a<\/span>\u53d8\u91cf\u4e4b\u95f4\u7684\u8ba1\u7b97\u7c7b\u578b\u9700\u8981\u4e00\u81f4\uff0c\u5426\u5219\u4f1a\u62a5\u9519\u3002\n  <\/div>\n
\n    7\u3001\u53d8\u91cf\u7684\u4f5c\u7528\u57df\uff1a\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5206\u4e3a\u5168\u5c40\u548c\u5c40\u90e8\uff0c\u56e0\u800c\u53d8\u91cf\u5206\u4e3a\u5168\u5c40\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\uff0c\u5728\u51fd\u6570\u5916\u90e8\u521b\u5efa\u7684\u53d8\u91cf\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u51fd\u6570\u5185\u90e8\u521b\u5efa\u7684\u53d8\u91cf\u4e3a\u5c40\u90e8\u53d8\u91cf\u3002\n  <\/div>\n
\n
 # -*- coding=utf-8 -*-<\/span>
 a = \"Hello\"<\/span>
 def<\/span> test():
  a = \"World\"<\/span>
  print(\"\u5c40\u90e8\u53d8\u91cf\u7684\u503c\u662f\uff1a \" + a<\/span>)

 test()<\/span><\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
\u5c40\u90e8\u53d8\u91cf\u7684\u503c\u662f\uff1a World
\u5168\u5c40\u53d8\u91cf\u7684\u503c\u662f\uff1aHello<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    8\u3001global \u5173\u952e\u5b57\uff1a\u4e0a\u9762\u6211\u4eec\u8bb2\u5230\u5728\u51fd\u6570\u5185\u90e8\u521b\u5efa\u7684\u53d8\u91cf\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u5982\u679c\u60f3\u8981\u8be5\u53d8\u91cf\u5728\u51fd\u6570\u5916\u90e8\u4e5f\u80fd\u4f7f\u7528\u53ef\u4ee5\u901a\u8fc7global \u5173\u952e\u5b57\u628a\u53d8\u91cf\u53d8\u6210\u5168\u5c40\u53d8\u91cf\u3002\n  <\/div>\n
\n
 def<\/span> myfunc():
  global<\/span> a
  a = \"Hello World\"<\/span>
 myfunc()<\/span> print(\"\u5168\u5c40\u53d8\u91cf\u7684\u503c\uff1a\" + a<\/span>)<\/span><\/code><\/pre>\n<\/p><\/div>\n
\n    \u6267\u884c\u7ed3\u679c\uff1a\n  <\/div>\n
\n
\u5168\u5c40\u53d8\u91cf\u7684\u503c\uff1aHello World<\/span><\/code><\/pre>\n<\/p><\/div>\n
 <\/body>
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