{"id":270,"date":"2019-01-24T22:11:39","date_gmt":"2019-01-24T14:11:39","guid":{"rendered":"http:\/\/www.yumefx.com\/?p=270"},"modified":"2021-03-04T14:57:52","modified_gmt":"2021-03-04T06:57:52","slug":"python-%e7%bc%96%e7%a0%81%e8%a7%84%e8%8c%83google","status":"publish","type":"post","link":"https:\/\/www.yumefx.com\/?p=270","title":{"rendered":"Python \u7f16\u7801\u89c4\u8303(Google)"},"content":{"rendered":"\n

Python \u98ce\u683c\u89c4\u8303(Google)<\/h1>\n

\u672c\u9879\u76ee\u5e76\u975e Google \u5b98\u65b9\u9879\u76ee, \u800c\u662f\u7531\u56fd\u5185\u7a0b\u5e8f\u5458\u51ed\u70ed\u60c5\u521b\u5efa\u548c\u7ef4\u62a4\u3002<\/p>\n

\u5982\u679c\u4f60\u5173\u6ce8\u7684\u662f Google \u5b98\u65b9\u82f1\u6587\u7248, \u8bf7\u79fb\u6b65 Google Style Guide<\/a><\/p>\n

 <\/h1>\n

\u5206\u53f7<\/h1>\n

\u4e0d\u8981\u5728\u884c\u5c3e\u52a0\u5206\u53f7, \u4e5f\u4e0d\u8981\u7528\u5206\u53f7\u5c06\u4e24\u6761\u547d\u4ee4\u653e\u5728\u540c\u4e00\u884c\u3002<\/p>\n

 <\/h1>\n

\u884c\u957f\u5ea6<\/h1>\n

\u6bcf\u884c\u4e0d\u8d85\u8fc780\u4e2a\u5b57\u7b26<\/p>\n

\u4ee5\u4e0b\u60c5\u51b5\u9664\u5916\uff1a<\/p>\n

    \n
  1. \u957f\u7684\u5bfc\u5165\u6a21\u5757\u8bed\u53e5<\/li>\n
  2. \u6ce8\u91ca\u91cc\u7684URL<\/li>\n<\/ol>\n

    \u4e0d\u8981\u4f7f\u7528\u53cd\u659c\u6760\u8fde\u63a5\u884c\u3002<\/p>\n

    Python\u4f1a\u5c06 \u5706\u62ec\u53f7, \u4e2d\u62ec\u53f7\u548c\u82b1\u62ec\u53f7\u4e2d\u7684\u884c\u9690\u5f0f\u7684\u8fde\u63a5\u8d77\u6765 , \u4f60\u53ef\u4ee5\u5229\u7528\u8fd9\u4e2a\u7279\u70b9. \u5982\u679c\u9700\u8981, \u4f60\u53ef\u4ee5\u5728\u8868\u8fbe\u5f0f\u5916\u56f4\u589e\u52a0\u4e00\u5bf9\u989d\u5916\u7684\u5706\u62ec\u53f7\u3002<\/p>\n

    \u5982\u679c\u4e00\u4e2a\u6587\u672c\u5b57\u7b26\u4e32\u5728\u4e00\u884c\u653e\u4e0d\u4e0b, \u53ef\u4ee5\u4f7f\u7528\u5706\u62ec\u53f7\u6765\u5b9e\u73b0\u9690\u5f0f\u884c\u8fde\u63a5\uff0c\u5728\u6ce8\u91ca\u4e2d\uff0c\u5982\u679c\u5fc5\u8981\uff0c\u5c06\u957f\u7684URL\u653e\u5728\u4e00\u884c\u4e0a\u3002<\/p>\n\n\n\n

    foo_bar(self, width, height, color='black', design=None, x='foo', <\/span>\n    emphasis=None, highlight=0)      <\/span>\n<\/span>\nif (width == 0 and height == 0 and <\/span>\n    color == 'red' and emphasis == 'strong'):<\/span>\n<\/span>\nx = ('\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f '<\/span>\n     '\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f\u975e\u5e38\u957f\u7684\u5b57\u7b26\u4e32')<\/span>\n<\/span>\n# See details at       <\/span>\n#   http:\/\/www.example.com\/us\/developer\/documentation\/api\/content\/v2.0\/csv_file_name_extension_full_specification.html<\/span>\n<\/pre>\n\n\n\n
    \u6ce8\u610f\u4e0a\u9762\u4f8b\u5b50\u4e2d\u7684\u5143\u7d20\u7f29\u8fdb\u3002<\/p>\n
     <\/h1>\n
    \u62ec\u53f7<\/h1>\n
    \u5b81\u7f3a\u6bcb\u6ee5\u7684\u4f7f\u7528\u62ec\u53f7<\/p>\n
    \u9664\u975e\u662f\u7528\u4e8e\u5b9e\u73b0\u884c\u8fde\u63a5, \u5426\u5219\u4e0d\u8981\u5728\u8fd4\u56de\u8bed\u53e5\u6216\u6761\u4ef6\u8bed\u53e5\u4e2d\u4f7f\u7528\u62ec\u53f7. \u4e0d\u8fc7\u5728\u5143\u7ec4\u4e24\u8fb9\u4f7f\u7528\u62ec\u53f7\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n\n\n\n
    if foo: <\/span>\n    bar() <\/span>\nwhile x: <\/span>\n    x = bar() <\/span>\nif x and y: <\/span>\n    bar() <\/span>\nif not x: <\/span>\n    bar() <\/span>\nreturn foo <\/span>\nfor (x, y) in dict.items(): ...<\/span>\n<\/pre>\n\n\n\n
    \u00a0<\/h1>\n
    \u7f29\u8fdb<\/h1>\n
    \u75284\u4e2a\u7a7a\u683c\u6765\u7f29\u8fdb\u4ee3\u7801<\/p>\n
    \u7edd\u5bf9\u4e0d\u8981\u7528tab, \u4e5f\u4e0d\u8981tab\u548c\u7a7a\u683c\u6df7\u7528\u3002<\/p>\n
    \u5bf9\u4e8e\u884c\u8fde\u63a5\u7684\u60c5\u51b5, \u4f60\u5e94\u8be5\u8981\u4e48\u5782\u76f4\u5bf9\u9f50\u6362\u884c\u7684\u5143\u7d20, \u6216\u8005\u4f7f\u75284\u7a7a\u683c\u7684\u60ac\u6302\u5f0f\u7f29\u8fdb(\u8fd9\u65f6\u7b2c\u4e00\u884c\u4e0d\u5e94\u8be5\u6709\u53c2\u6570):<\/p>\n\n\n\n
    # \u4e0e\u8d77\u59cb\u53d8\u91cf\u5bf9\u9f50 <\/span>\nfoo = long_function_name(var_one, var_two, <\/span>\n                         var_three, var_four) <\/span>\n                         <\/span>\n# \u5b57\u5178\u4e2d\u4e0e\u8d77\u59cb\u503c\u5bf9\u9f50 <\/span>\nfoo = { <\/span>\n    long_dictionary_key: value1 + <\/span>\n                         value2, <\/span>\n    ... <\/span>\n} <\/span>\n<\/span>\n# 4 \u4e2a\u7a7a\u683c\u7f29\u8fdb\uff0c\u7b2c\u4e00\u884c\u4e0d\u9700\u8981 <\/span>\nfoo = long_function_name( <\/span>\n    var_one, var_two, var_three, <\/span>\n    var_four) <\/span>\n    <\/span>\n# \u5b57\u5178\u4e2d 4 \u4e2a\u7a7a\u683c\u7f29\u8fdb <\/span>\nfoo = { <\/span>\n    long_dictionary_key: <\/span>\n        long_dictionary_value, <\/span>\n    ... <\/span>\n}<\/span>\n<\/pre>\n\n\n\n
     <\/h1>\n
    \u7a7a\u884c<\/h1>\n
    \u9876\u7ea7\u5b9a\u4e49\u4e4b\u95f4\u7a7a\u4e24\u884c, \u65b9\u6cd5\u5b9a\u4e49\u4e4b\u95f4\u7a7a\u4e00\u884c\u3002<\/p>\n
    \u9876\u7ea7\u5b9a\u4e49\u4e4b\u95f4\u7a7a\u4e24\u884c, \u6bd4\u5982\u51fd\u6570\u6216\u8005\u7c7b\u5b9a\u4e49\u3001\u65b9\u6cd5\u5b9a\u4e49\u3001\u7c7b\u5b9a\u4e49\u4e0e\u7b2c\u4e00\u4e2a\u65b9\u6cd5\u4e4b\u95f4, \u90fd\u5e94\u8be5\u7a7a\u4e00\u884c\u3002<\/p>\n
    \u51fd\u6570\u6216\u65b9\u6cd5\u4e2d, \u67d0\u4e9b\u5730\u65b9\u8981\u662f\u4f60\u89c9\u5f97\u5408\u9002, \u5c31\u7a7a\u4e00\u884c\u3002<\/p>\n
     <\/h1>\n
    \u7a7a\u683c<\/h1>\n\n\n\n
    #\u6309\u7167\u6807\u51c6\u7684\u6392\u7248\u89c4\u8303\u6765\u4f7f\u7528\u6807\u70b9\u4e24\u8fb9\u7684\u7a7a\u683c<\/span>\nspam(ham[1], {eggs: 2}, [])<\/span>\n<\/span>\n#\u4e0d\u8981\u5728\u9017\u53f7, \u5206\u53f7, \u5192\u53f7\u524d\u9762\u52a0\u7a7a\u683c, \u4f46\u5e94\u8be5\u5728\u5b83\u4eec\u540e\u9762\u52a0(\u9664\u4e86\u5728\u884c\u5c3e)<\/span>\nif x == 4:<\/span>\n    print x, y<\/span>\nx, y = y, x<\/span>\n<\/span>\n#\u53c2\u6570\u5217\u8868, \u7d22\u5f15\u6216\u5207\u7247\u7684\u5de6\u62ec\u53f7\u524d\u4e0d\u5e94\u52a0\u7a7a\u683c<\/span>\nspam(1)<\/span>\ndict['key'] = list[index]<\/span>\n<\/span>\n#\u5728\u4e8c\u5143\u64cd\u4f5c\u7b26\u4e24\u8fb9\u90fd\u52a0\u4e0a\u4e00\u4e2a\u7a7a\u683c, \u6bd4\u5982\u8d4b\u503c(=), \u6bd4\u8f83(==, <, >, !=, <>, <=, >=, in, not in, is, is not), \u5e03\u5c14(and, or, not). \u81f3\u4e8e\u7b97\u672f\u64cd\u4f5c\u7b26\u4e24\u8fb9\u7684\u7a7a\u683c\u8be5\u5982\u4f55\u4f7f\u7528, \u9700\u8981\u4f60\u81ea\u5df1\u597d\u597d\u5224\u65ad. \u4e0d\u8fc7\u4e24\u4fa7\u52a1\u5fc5\u8981\u4fdd\u6301\u4e00\u81f4.<\/span>\nx == 1<\/span>\n<\/span>\n#\u5f53\u2019=\u2019\u7528\u4e8e\u6307\u793a\u5173\u952e\u5b57\u53c2\u6570\u6216\u9ed8\u8ba4\u53c2\u6570\u503c\u65f6, \u4e0d\u8981\u5728\u5176\u4e24\u4fa7\u4f7f\u7528\u7a7a\u683c.<\/span>\ndef complex(real, imag=0.0): <\/span>\n    return magic(r=real, i=imag)<\/span>\n    <\/span>\n#\u4e0d\u8981\u7528\u7a7a\u683c\u6765\u5782\u76f4\u5bf9\u9f50\u591a\u884c\u95f4\u7684\u6807\u8bb0, \u56e0\u4e3a\u8fd9\u4f1a\u6210\u4e3a\u7ef4\u62a4\u7684\u8d1f\u62c5(\u9002\u7528\u4e8e:, #, =\u7b49):<\/span>\nfoo = 1000  # \u6ce8\u91ca <\/span>\nlong_name = 2  # \u6ce8\u91ca\u4e0d\u9700\u8981\u5bf9\u9f50 <\/span>\ndictionary = { <\/span>\n    \"foo\": 1, <\/span>\n    \"long_name\": 2, <\/span>\n    }<\/span>\n<\/pre>\n\n\n\n
    \u00a0<\/h1>\n
    Shebang<\/h1>\n
    \u5927\u90e8\u5206.py\u6587\u4ef6\u4e0d\u5fc5\u4ee5#!\u4f5c\u4e3a\u6587\u4ef6\u7684\u5f00\u59cb. \u6839\u636e\u00a0PEP-394<\/a>\u00a0, \u7a0b\u5e8f\u7684main\u6587\u4ef6\u5e94\u8be5\u4ee5 #!\/usr\/bin\/python2\u6216\u8005 #!\/usr\/bin\/python3\u5f00\u59cb.<\/p>\n
    (\u8bd1\u8005\u6ce8: \u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d,\u00a0Shebang<\/a> (\u4e5f\u79f0\u4e3aHashbang)\u662f\u4e00\u4e2a\u7531\u4e95\u53f7\u548c\u53f9\u53f7\u6784\u6210\u7684\u5b57\u7b26\u4e32\u884c(#!<\/code>), \u5176\u51fa\u73b0\u5728\u6587\u672c\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\u7684\u524d\u4e24\u4e2a\u5b57\u7b26\u3002<\/p>\n
    \u5728\u6587\u4ef6\u4e2d\u5b58\u5728Shebang\u7684\u60c5\u51b5\u4e0b, \u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a0b\u5e8f\u8f7d\u5165\u5668\u4f1a\u5206\u6790Shebang\u540e\u7684\u5185\u5bb9, \u5c06\u8fd9\u4e9b\u5185\u5bb9\u4f5c\u4e3a\u89e3\u91ca\u5668\u6307\u4ee4, \u5e76\u8c03\u7528\u8be5\u6307\u4ee4, \u5e76\u5c06\u8f7d\u6709Shebang\u7684\u6587\u4ef6\u8def\u5f84\u4f5c\u4e3a\u8be5\u89e3\u91ca\u5668\u7684\u53c2\u6570\u3002<\/p>\n
    \u4f8b\u5982, \u4ee5\u6307\u4ee4#!\/bin\/sh\u5f00\u5934\u7684\u6587\u4ef6\u5728\u6267\u884c\u65f6\u4f1a\u5b9e\u9645\u8c03\u7528\/bin\/sh\u7a0b\u5e8f\u3002<\/p>\n
    #!\u5148\u7528\u4e8e\u5e2e\u52a9\u5185\u6838\u627e\u5230Python\u89e3\u91ca\u5668, \u4f46\u662f\u5728\u5bfc\u5165\u6a21\u5757\u65f6, \u5c06\u4f1a\u88ab\u5ffd\u7565. \u56e0\u6b64\u53ea\u6709\u88ab\u76f4\u63a5\u6267\u884c\u7684\u6587\u4ef6\u4e2d\u624d\u6709\u5fc5\u8981\u52a0\u5165#!\u3002<\/p>\n
    \u00a0<\/h1>\n
    \u6ce8\u91ca<\/h1>\n
    \u786e\u4fdd\u5bf9\u6a21\u5757, \u51fd\u6570, \u65b9\u6cd5\u548c\u884c\u5185\u6ce8\u91ca\u4f7f\u7528\u6b63\u786e\u7684\u98ce\u683c<\/p>\n
    \u00a0<\/h3>\n
    \u6587\u6863\u5b57\u7b26\u4e32<\/strong><\/h3>\n
    Python\u6709\u4e00\u79cd\u72ec\u4e00\u65e0\u4e8c\u7684\u7684\u6ce8\u91ca\u65b9\u5f0f: \u4f7f\u7528\u6587\u6863\u5b57\u7b26\u4e32\u3002<\/p>\n
    \u6587\u6863\u5b57\u7b26\u4e32\u662f\u5305, \u6a21\u5757, \u7c7b\u6216\u51fd\u6570\u91cc\u7684\u7b2c\u4e00\u4e2a\u8bed\u53e5. \u8fd9\u4e9b\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u7684__doc__\u6210\u5458\u88ab\u81ea\u52a8\u63d0\u53d6, \u5e76\u4e14\u88abpydoc\u6240\u7528. (\u4f60\u53ef\u4ee5\u5728\u4f60\u7684\u6a21\u5757\u4e0a\u8fd0\u884cpydoc\u8bd5\u4e00\u628a, \u770b\u770b\u5b83\u957f\u4ec0\u4e48\u6837)\u3002<\/p>\n
    \u6211\u4eec\u5bf9\u6587\u6863\u5b57\u7b26\u4e32\u7684\u60ef\u4f8b\u662f\u4f7f\u7528\u4e09\u91cd\u53cc\u5f15\u53f7\u201d\u201d\u201d(\u00a0PEP-257<\/a>\u00a0). \u4e00\u4e2a\u6587\u6863\u5b57\u7b26\u4e32\u5e94\u8be5\u8fd9\u6837\u7ec4\u7ec7:<\/p>\n
    \u9996\u5148\u662f\u4e00\u884c\u4ee5\u53e5\u53f7, \u95ee\u53f7\u6216\u60ca\u53f9\u53f7\u7ed3\u5c3e\u7684\u6982\u8ff0(\u6216\u8005\u8be5\u6587\u6863\u5b57\u7b26\u4e32\u5355\u7eaf\u53ea\u6709\u4e00\u884c). \u63a5\u7740\u662f\u4e00\u4e2a\u7a7a\u884c. \u63a5\u7740\u662f\u6587\u6863\u5b57\u7b26\u4e32\u5269\u4e0b\u7684\u90e8\u5206, \u5b83\u5e94\u8be5\u4e0e\u6587\u6863\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u884c\u7684\u7b2c\u4e00\u4e2a\u5f15\u53f7\u5bf9\u9f50. \u4e0b\u9762\u6709\u66f4\u591a\u6587\u6863\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u5316\u89c4\u8303.<\/p>\n
    \u00a0<\/h3>\n
    \u6a21\u5757<\/strong><\/h3>\n
    \u6bcf\u4e2a\u6587\u4ef6\u5e94\u8be5\u5305\u542b\u4e00\u4e2a\u8bb8\u53ef\u6837\u677f. \u6839\u636e\u9879\u76ee\u4f7f\u7528\u7684\u8bb8\u53ef(\u4f8b\u5982, Apache 2.0, BSD, LGPL, GPL), \u9009\u62e9\u5408\u9002\u7684\u6837\u677f.<\/p>\n
    \u00a0<\/h3>\n
    \u51fd\u6570\u548c\u65b9\u6cd5<\/strong><\/h3>\n
    \u4e0b\u6587\u6240\u6307\u7684\u51fd\u6570,\u5305\u62ec\u51fd\u6570, \u65b9\u6cd5, \u4ee5\u53ca\u751f\u6210\u5668.<\/p>\n
    \u4e00\u4e2a\u51fd\u6570\u5fc5\u987b\u8981\u6709\u6587\u6863\u5b57\u7b26\u4e32, \u9664\u975e\u5b83\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6:<\/p>\n
      \n
    1. \u5916\u90e8\u4e0d\u53ef\u89c1<\/li>\n
    2. \u975e\u5e38\u77ed\u5c0f<\/li>\n
    3. \u7b80\u5355\u660e\u4e86<\/li>\n<\/ol>\n
      \u6587\u6863\u5b57\u7b26\u4e32\u5e94\u8be5\u5305\u542b\u51fd\u6570\u505a\u4ec0\u4e48, \u4ee5\u53ca\u8f93\u5165\u548c\u8f93\u51fa\u7684\u8be6\u7ec6\u63cf\u8ff0. \u901a\u5e38, \u4e0d\u5e94\u8be5\u63cf\u8ff0\u201d\u600e\u4e48\u505a\u201d, \u9664\u975e\u662f\u4e00\u4e9b\u590d\u6742\u7684\u7b97\u6cd5\u3002<\/p>\n
      \u6587\u6863\u5b57\u7b26\u4e32\u5e94\u8be5\u63d0\u4f9b\u8db3\u591f\u7684\u4fe1\u606f, \u5f53\u522b\u4eba\u7f16\u5199\u4ee3\u7801\u8c03\u7528\u8be5\u51fd\u6570\u65f6, \u4ed6\u4e0d\u9700\u8981\u770b\u4e00\u884c\u4ee3\u7801, \u53ea\u8981\u770b\u6587\u6863\u5b57\u7b26\u4e32\u5c31\u53ef\u4ee5\u4e86. \u5bf9\u4e8e\u590d\u6742\u7684\u4ee3\u7801, \u5728\u4ee3\u7801\u65c1\u8fb9\u52a0\u6ce8\u91ca\u4f1a\u6bd4\u4f7f\u7528\u6587\u6863\u5b57\u7b26\u4e32\u66f4\u6709\u610f\u4e49.<\/p>\n
      \u5173\u4e8e\u51fd\u6570\u7684\u51e0\u4e2a\u65b9\u9762\u5e94\u8be5\u5728\u7279\u5b9a\u7684\u5c0f\u8282\u4e2d\u8fdb\u884c\u63cf\u8ff0\u8bb0\u5f55\uff0c \u8fd9\u51e0\u4e2a\u65b9\u9762\u5982\u4e0b\u6587\u6240\u8ff0. \u6bcf\u8282\u5e94\u8be5\u4ee5\u4e00\u4e2a\u6807\u9898\u884c\u5f00\u59cb. \u6807\u9898\u884c\u4ee5\u5192\u53f7\u7ed3\u5c3e\u3002<\/p>\n
      \u9664\u6807\u9898\u884c\u5916, \u8282\u7684\u5176\u4ed6\u5185\u5bb9\u5e94\u88ab\u7f29\u8fdb2\u4e2a\u7a7a\u683c.Args:\u5217\u51fa\u6bcf\u4e2a\u53c2\u6570\u7684\u540d\u5b57, \u5e76\u5728\u540d\u5b57\u540e\u4f7f\u7528\u4e00\u4e2a\u5192\u53f7\u548c\u4e00\u4e2a\u7a7a\u683c, \u5206\u9694\u5bf9\u8be5\u53c2\u6570\u7684\u63cf\u8ff0.\u5982\u679c\u63cf\u8ff0\u592a\u957f\u8d85\u8fc7\u4e86\u5355\u884c80\u5b57\u7b26,\u4f7f\u75282\u6216\u80054\u4e2a\u7a7a\u683c\u7684\u60ac\u6302\u7f29\u8fdb(\u4e0e\u6587\u4ef6\u5176\u4ed6\u90e8\u5206\u4fdd\u6301\u4e00\u81f4)\u3002<\/p>\n
      \u63cf\u8ff0\u5e94\u8be5\u5305\u62ec\u6240\u9700\u7684\u7c7b\u578b\u548c\u542b\u4e49. \u5982\u679c\u4e00\u4e2a\u51fd\u6570\u63a5\u53d7*foo(\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\u5217\u8868)\u6216\u8005**bar (\u4efb\u610f\u5173\u952e\u5b57\u53c2\u6570), \u5e94\u8be5\u8be6\u7ec6\u5217\u51fa*foo\u548c**bar.Returns: (\u6216\u8005 Yields: \u7528\u4e8e\u751f\u6210\u5668)\u63cf\u8ff0\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u548c\u8bed\u4e49\u3002<\/p>\n
      \u5982\u679c\u51fd\u6570\u8fd4\u56deNone, \u8fd9\u4e00\u90e8\u5206\u53ef\u4ee5\u7701\u7565.Raises:\u5217\u51fa\u4e0e\u63a5\u53e3\u6709\u5173\u7684\u6240\u6709\u5f02\u5e38\u3002<\/p>\n\n\n\n
      def fetch_bigtable_rows(big_table, keys, other_silly_variable=None): <\/span>\n    \"\"\"Fetches rows from a Bigtable. <\/span>\n    Retrieves rows pertaining to the given keys from the Table instance represented by big_table.  Silly things may happen if other_silly_variable is not None. <\/span>\n<\/span>\n    Args: <\/span>\n        big_table: An open Bigtable Table instance. <\/span>\n        keys: A sequence of strings representing the key of each table row             to fetch. <\/span>\n        other_silly_variable: Another optional variable, that has a much             longer name than the other args, and which does nothing. <\/span>\n    Returns: <\/span>\n        A dict mapping keys to the corresponding table row data         fetched. Each row is represented as a tuple of strings. For         example: <\/span>\n        {'Serak': ('Rigel VII', 'Preparer'), <\/span>\n         'Zim': ('Irk', 'Invader'), <\/span>\n         'Lrrr': ('Omicron Persei 8', 'Emperor')} <\/span>\n        If a key from the keys argument is missing from the dictionary,         then that row was not found in the table. <\/span>\n    Raises: <\/span>\n        IOError: An error occurred accessing the bigtable.Table object.     \"\"\" <\/span>\n    pass<\/span>\n<\/pre>\n\n\n\n
       <\/h3>\n
      \u7c7b<\/strong><\/h3>\n
      \u7c7b\u5e94\u8be5\u5728\u5176\u5b9a\u4e49\u4e0b\u6709\u4e00\u4e2a\u7528\u4e8e\u63cf\u8ff0\u8be5\u7c7b\u7684\u6587\u6863\u5b57\u7b26\u4e32. \u5982\u679c\u4f60\u7684\u7c7b\u6709\u516c\u5171\u5c5e\u6027(Attributes), \u90a3\u4e48\u6587\u6863\u4e2d\u5e94\u8be5\u6709\u4e00\u4e2a\u5c5e\u6027(Attributes)\u6bb5. \u5e76\u4e14\u5e94\u8be5\u9075\u5b88\u548c\u51fd\u6570\u53c2\u6570\u76f8\u540c\u7684\u683c\u5f0f.<\/p>\n\n\n\n
      class SampleClass(object): <\/span>\n    \"\"\"Summary of class here. <\/span>\n    Longer class information.... <\/span>\n    Longer class information.... <\/span>\n    Attributes: <\/span>\n        likes_spam: A boolean indicating if we like SPAM or not. <\/span>\n        eggs: An integer count of the eggs we have laid. <\/span>\n    \"\"\" <\/span>\n    def __init__(self, likes_spam=False): <\/span>\n        \"\"\"Inits SampleClass with blah.\"\"\" <\/span>\n        self.likes_spam = likes_spam <\/span>\n        self.eggs = 0 <\/span>\n    def public_method(self): <\/span>\n        \"\"\"Performs operation blah.\"\"\"<\/span>\n<\/pre>\n\n\n\n
       <\/h3>\n
      \u5757\u6ce8\u91ca\u548c\u884c\u6ce8\u91ca<\/strong><\/h3>\n
      \u6700\u9700\u8981\u5199\u6ce8\u91ca\u7684\u662f\u4ee3\u7801\u4e2d\u90a3\u4e9b\u6280\u5de7\u6027\u7684\u90e8\u5206. \u5982\u679c\u4f60\u5728\u4e0b\u6b21 \u4ee3\u7801\u5ba1\u67e5<\/a> \u7684\u65f6\u5019\u5fc5\u987b\u89e3\u91ca\u4e00\u4e0b, \u90a3\u4e48\u4f60\u5e94\u8be5\u73b0\u5728\u5c31\u7ed9\u5b83\u5199\u6ce8\u91ca. \u5bf9\u4e8e\u590d\u6742\u7684\u64cd\u4f5c, \u5e94\u8be5\u5728\u5176\u64cd\u4f5c\u5f00\u59cb\u524d\u5199\u4e0a\u82e5\u5e72\u884c\u6ce8\u91ca. \u5bf9\u4e8e\u4e0d\u662f\u4e00\u76ee\u4e86\u7136\u7684\u4ee3\u7801, \u5e94\u5728\u5176\u884c\u5c3e\u6dfb\u52a0\u6ce8\u91ca.<\/p>\n\n\n\n
      # We use a weighted dictionary search to find out where i is in <\/span>\n# the array.  We extrapolate position based on the largest num <\/span>\n# in the array and the array size and then do binary search to <\/span>\n# get the exact number. <\/span>\n<\/span>\nif i & (i-1) == 0:        # true iff i is a power of 2<\/span>\n<\/pre>\n\n\n\n
      \u4e3a\u4e86\u63d0\u9ad8\u53ef\u8bfb\u6027, \u6ce8\u91ca\u5e94\u8be5\u81f3\u5c11\u79bb\u5f00\u4ee3\u78012\u4e2a\u7a7a\u683c.<\/p>\n
      \u53e6\u4e00\u65b9\u9762, \u7edd\u4e0d\u8981\u63cf\u8ff0\u4ee3\u7801. \u5047\u8bbe\u9605\u8bfb\u4ee3\u7801\u7684\u4eba\u6bd4\u4f60\u66f4\u61c2Python, \u4ed6\u53ea\u662f\u4e0d\u77e5\u9053\u4f60\u7684\u4ee3\u7801\u8981\u505a\u4ec0\u4e48.<\/p>\n
       <\/h1>\n
      \u7c7b<\/h1>\n
      \u5982\u679c\u4e00\u4e2a\u7c7b\u4e0d\u7ee7\u627f\u81ea\u5176\u5b83\u7c7b, \u5c31\u663e\u5f0f\u7684\u4eceobject\u7ee7\u627f. \u5d4c\u5957\u7c7b\u4e5f\u4e00\u6837.<\/p>\n\n\n\n
      class SampleClass(object): <\/span>\n    pass <\/span>\nclass OuterClass(object): <\/span>\n    class InnerClass(object): <\/span>\n        pass <\/span>\nclass ChildClass(ParentClass): <\/span>\n    \"\"\"Explicitly inherits from another class already.\"\"\"<\/span>\n<\/pre>\n\n\n\n
      \u7ee7\u627f\u81ea object<\/code> \u662f\u4e3a\u4e86\u4f7f\u5c5e\u6027(properties)\u6b63\u5e38\u5de5\u4f5c, \u5e76\u4e14\u8fd9\u6837\u53ef\u4ee5\u4fdd\u62a4\u4f60\u7684\u4ee3\u7801, \u4f7f\u5176\u4e0d\u53d7Python 3000\u7684\u4e00\u4e2a\u7279\u6b8a\u7684\u6f5c\u5728\u4e0d\u517c\u5bb9\u6027\u5f71\u54cd. \u8fd9\u6837\u505a\u4e5f\u5b9a\u4e49\u4e86\u4e00\u4e9b\u7279\u6b8a\u7684\u65b9\u6cd5, \u8fd9\u4e9b\u65b9\u6cd5\u5b9e\u73b0\u4e86\u5bf9\u8c61\u7684\u9ed8\u8ba4\u8bed\u4e49, \u5305\u62ec __new__, __init__, __delattr__, __getattribute__, __setattr__, __hash__, __repr__, and __str__ .<\/p>\n
       <\/h1>\n
      \u5b57\u7b26\u4e32<\/h1>\n\n\n\n
      x = a + b <\/span>\nx = '%s, %s!' % (imperative, expletive) <\/span>\nx = '{}, {}!'.format(imperative, expletive) <\/span>\nx = 'name: %s; score: %d' % (name, n) <\/span>\nx = 'name: {}; score: {}'.format(name, n)<\/span>\n<\/pre>\n\n\n\n
      \u907f\u514d\u5728\u5faa\u73af\u4e2d\u7528+\u548c+=\u64cd\u4f5c\u7b26\u6765\u7d2f\u52a0\u5b57\u7b26\u4e32. \u7531\u4e8e\u5b57\u7b26\u4e32\u662f\u4e0d\u53ef\u53d8\u7684, \u8fd9\u6837\u505a\u4f1a\u521b\u5efa\u4e0d\u5fc5\u8981\u7684\u4e34\u65f6\u5bf9\u8c61, \u5e76\u4e14\u5bfc\u81f4\u4e8c\u6b21\u65b9\u800c\u4e0d\u662f\u7ebf\u6027\u7684\u8fd0\u884c\u65f6\u95f4. \u4f5c\u4e3a\u66ff\u4ee3\u65b9\u6848, \u4f60\u53ef\u4ee5\u5c06\u6bcf\u4e2a\u5b50\u4e32\u52a0\u5165\u5217\u8868, \u7136\u540e\u5728\u5faa\u73af\u7ed3\u675f\u540e\u7528 .join<\/code> \u8fde\u63a5\u5217\u8868. (\u4e5f\u53ef\u4ee5\u5c06\u6bcf\u4e2a\u5b50\u4e32\u5199\u5165\u4e00\u4e2a cStringIO.StringIO<\/code> \u7f13\u5b58\u4e2d.)<\/p>\n\n\n\n
      items = ['<table>'] <\/span>\nfor last_name, first_name in employee_list: <\/span>\n    items.append('<tr><td>%s, %s<\/td><\/tr>' % (last_name, first_name))      <\/span>\nitems.append('<\/table>') <\/span>\nemployee_table = ''.join(items)<\/span>\n<\/pre>\n\n\n\n
      \u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e2d, \u4fdd\u6301\u4f7f\u7528\u5b57\u7b26\u4e32\u5f15\u53f7\u7684\u4e00\u81f4\u6027. \u4f7f\u7528\u5355\u5f15\u53f7\u2019\u6216\u8005\u53cc\u5f15\u53f7\u201d\u4e4b\u4e00\u7528\u4ee5\u5f15\u7528\u5b57\u7b26\u4e32, \u5e76\u5728\u540c\u4e00\u6587\u4ef6\u4e2d\u6cbf\u7528. \u5728\u5b57\u7b26\u4e32\u5185\u53ef\u4ee5\u4f7f\u7528\u53e6\u5916\u4e00\u79cd\u5f15\u53f7, \u4ee5\u907f\u514d\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528. PyLint\u5df2\u7ecf\u52a0\u5165\u4e86\u8fd9\u4e00\u68c0\u67e5.<\/p>\n\n\n\n
      Python('Why are you hiding your eyes?') <\/span>\nGollum(\"I'm scared of lint errors.\") <\/span>\nNarrator('\"Good!\" thought a happy Python reviewer.')<\/span>\n<\/pre>\n\n\n\n
      \u4e3a\u591a\u884c\u5b57\u7b26\u4e32\u4f7f\u7528\u4e09\u91cd\u53cc\u5f15\u53f7\u201d\u201d\u201d\u800c\u975e\u4e09\u91cd\u5355\u5f15\u53f7\u201d\u2019. \u5f53\u4e14\u4ec5\u5f53\u9879\u76ee\u4e2d\u4f7f\u7528\u5355\u5f15\u53f7\u2019\u6765\u5f15\u7528\u5b57\u7b26\u4e32\u65f6, \u624d\u53ef\u80fd\u4f1a\u4f7f\u7528\u4e09\u91cd\u201d\u2019\u4e3a\u975e\u6587\u6863\u5b57\u7b26\u4e32\u7684\u591a\u884c\u5b57\u7b26\u4e32\u6765\u6807\u8bc6\u5f15\u7528. \u6587\u6863\u5b57\u7b26\u4e32\u5fc5\u987b\u4f7f\u7528\u4e09\u91cd\u53cc\u5f15\u53f7\u201d\u201d\u201d. \u4e0d\u8fc7\u8981\u6ce8\u610f, \u901a\u5e38\u7528\u9690\u5f0f\u884c\u8fde\u63a5\u66f4\u6e05\u6670, \u56e0\u4e3a\u591a\u884c\u5b57\u7b26\u4e32\u4e0e\u7a0b\u5e8f\u5176\u4ed6\u90e8\u5206\u7684\u7f29\u8fdb\u65b9\u5f0f\u4e0d\u4e00\u81f4.<\/p>\n\n\n\n
      print (\"This is much nicer.\\n\" <\/span>\n       \"Do it this way.\\n\")<\/span>\n<\/pre>\n\n\n\n
      \u00a0<\/h1>\n
      \u6587\u4ef6\u548csockets<\/h1>\n
      \u5728\u6587\u4ef6\u548csockets\u7ed3\u675f\u65f6, \u663e\u5f0f\u7684\u5173\u95ed\u5b83.<\/p>\n
      \u9664\u6587\u4ef6\u5916, sockets\u6216\u5176\u4ed6\u7c7b\u4f3c\u6587\u4ef6\u7684\u5bf9\u8c61\u5728\u6ca1\u6709\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u6253\u5f00, \u4f1a\u6709\u8bb8\u591a\u526f\u4f5c\u7528, \u4f8b\u5982:<\/p>\n
        \n
      1. \u5b83\u4eec\u53ef\u80fd\u4f1a\u6d88\u8017\u6709\u9650\u7684\u7cfb\u7edf\u8d44\u6e90, \u5982\u6587\u4ef6\u63cf\u8ff0\u7b26. \u5982\u679c\u8fd9\u4e9b\u8d44\u6e90\u5728\u4f7f\u7528\u540e\u6ca1\u6709\u53ca\u65f6\u5f52\u8fd8\u7cfb\u7edf, \u90a3\u4e48\u7528\u4e8e\u5904\u7406\u8fd9\u4e9b\u5bf9\u8c61\u7684\u4ee3\u7801\u4f1a\u5c06\u8d44\u6e90\u6d88\u8017\u6b86\u5c3d.<\/li>\n
      2. \u6301\u6709\u6587\u4ef6\u5c06\u4f1a\u963b\u6b62\u5bf9\u4e8e\u6587\u4ef6\u7684\u5176\u4ed6\u8bf8\u5982\u79fb\u52a8\u3001\u5220\u9664\u4e4b\u7c7b\u7684\u64cd\u4f5c.<\/li>\n
      3. \u4ec5\u4ec5\u662f\u4ece\u903b\u8f91\u4e0a\u5173\u95ed\u6587\u4ef6\u548csockets, \u90a3\u4e48\u5b83\u4eec\u4ecd\u7136\u53ef\u80fd\u4f1a\u88ab\u5176\u5171\u4eab\u7684\u7a0b\u5e8f\u5728\u65e0\u610f\u4e2d\u8fdb\u884c\u8bfb\u6216\u8005\u5199\u64cd\u4f5c. \u53ea\u6709\u5f53\u5b83\u4eec\u771f\u6b63\u88ab\u5173\u95ed\u540e, \u5bf9\u4e8e\u5b83\u4eec\u5c1d\u8bd5\u8fdb\u884c\u8bfb\u6216\u8005\u5199\u64cd\u4f5c\u5c06\u4f1a\u8dd1\u51fa\u5f02\u5e38, \u5e76\u4f7f\u5f97\u95ee\u9898\u5feb\u901f\u663e\u73b0\u51fa\u6765.<\/li>\n<\/ol>\n
        \u800c\u4e14, \u5e7b\u60f3\u5f53\u6587\u4ef6\u5bf9\u8c61\u6790\u6784\u65f6, \u6587\u4ef6\u548csockets\u4f1a\u81ea\u52a8\u5173\u95ed, \u8bd5\u56fe\u5c06\u6587\u4ef6\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u548c\u6587\u4ef6\u7684\u72b6\u6001\u7ed1\u5b9a\u5728\u4e00\u8d77\u7684\u60f3\u6cd5, \u90fd\u662f\u4e0d\u73b0\u5b9e\u7684. \u56e0\u4e3a\u6709\u5982\u4e0b\u539f\u56e0:<\/p>\n
          \n
        1. \u6ca1\u6709\u4efb\u4f55\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u8fd0\u884c\u73af\u5883\u4f1a\u771f\u6b63\u7684\u6267\u884c\u6587\u4ef6\u7684\u6790\u6784. \u4e0d\u540c\u7684Python\u5b9e\u73b0\u91c7\u7528\u4e0d\u540c\u7684\u5185\u5b58\u7ba1\u7406\u6280\u672f, \u6bd4\u5982\u5ef6\u65f6\u5783\u573e\u5904\u7406\u673a\u5236. \u5ef6\u65f6\u5783\u573e\u5904\u7406\u673a\u5236\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5bf9\u8c61\u751f\u547d\u5468\u671f\u88ab\u4efb\u610f\u65e0\u9650\u5236\u7684\u5ef6\u957f.<\/li>\n
        2. \u5bf9\u4e8e\u6587\u4ef6\u610f\u5916\u7684\u5f15\u7528,\u4f1a\u5bfc\u81f4\u5bf9\u4e8e\u6587\u4ef6\u7684\u6301\u6709\u65f6\u95f4\u8d85\u51fa\u9884\u671f(\u6bd4\u5982\u5bf9\u4e8e\u5f02\u5e38\u7684\u8ddf\u8e2a, \u5305\u542b\u6709\u5168\u5c40\u53d8\u91cf\u7b49).<\/li>\n<\/ol>\n\n\n\n
          # \u63a8\u8350\u4f7f\u7528 \u201cwith\u201d\u8bed\u53e5 \u4ee5\u7ba1\u7406\u6587\u4ef6:<\/span>\nwith open(\"hello.txt\") as hello_file: <\/span>\n    for line in hello_file: <\/span>\n        print line<\/span>\n        <\/span>\n# \u5bf9\u4e8e\u4e0d\u652f\u6301\u4f7f\u7528\u201dwith\u201d\u8bed\u53e5\u7684\u7c7b\u4f3c\u6587\u4ef6\u7684\u5bf9\u8c61,\u4f7f\u7528 contextlib.closing():<\/span>\nimport contextlib with <\/span>\ncontextlib.closing(urllib.urlopen(\"http:\/\/www.python.org\/\")) as front_page:<\/span>\n    for line in front_page: <\/span>\n        print line<\/span>\n<\/pre>\n\n\n\n
          Legacy AppEngine \u4e2dPython 2.5\u7684\u4ee3\u7801\u5982\u4f7f\u7528\u201dwith\u201d\u8bed\u53e5, \u9700\u8981\u6dfb\u52a0 \u201cfrom __future__ import with_statement\u201d.<\/p>\n
           <\/h1>\n
          TODO\u6ce8\u91ca<\/h1>\n
          \u4e3a\u4e34\u65f6\u4ee3\u7801\u4f7f\u7528TODO\u6ce8\u91ca, \u5b83\u662f\u4e00\u79cd\u77ed\u671f\u89e3\u51b3\u65b9\u6848. \u4e0d\u7b97\u5b8c\u7f8e, \u4f46\u591f\u597d\u4e86.<\/p>\n
          TODO\u6ce8\u91ca\u5e94\u8be5\u5728\u6240\u6709\u5f00\u5934\u5904\u5305\u542b\u201dTODO\u201d\u5b57\u7b26\u4e32, \u7d27\u8ddf\u7740\u662f\u7528\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u4f60\u7684\u540d\u5b57, email\u5730\u5740\u6216\u5176\u5b83\u6807\u8bc6\u7b26. \u7136\u540e\u662f\u4e00\u4e2a\u53ef\u9009\u7684\u5192\u53f7. \u63a5\u7740\u5fc5\u987b\u6709\u4e00\u884c\u6ce8\u91ca, \u89e3\u91ca\u8981\u505a\u4ec0\u4e48. \u4e3b\u8981\u76ee\u7684\u662f\u4e3a\u4e86\u6709\u4e00\u4e2a\u7edf\u4e00\u7684TODO\u683c\u5f0f, \u8fd9\u6837\u6dfb\u52a0\u6ce8\u91ca\u7684\u4eba\u5c31\u53ef\u4ee5\u641c\u7d22\u5230(\u5e76\u53ef\u4ee5\u6309\u9700\u63d0\u4f9b\u66f4\u591a\u7ec6\u8282). \u5199\u4e86TODO\u6ce8\u91ca\u5e76\u4e0d\u4fdd\u8bc1\u5199\u7684\u4eba\u4f1a\u4eb2\u81ea\u89e3\u51b3\u95ee\u9898. \u5f53\u4f60\u5199\u4e86\u4e00\u4e2aTODO, \u8bf7\u6ce8\u4e0a\u4f60\u7684\u540d\u5b57.<\/p>\n\n\n\n
          # TODO(kl@gmail.com): Use a \"*\" here for string repetition. <\/span>\n# TODO(Zeke) Change this to use relations.<\/span>\n<\/pre>\n\n\n\n
          \u5982\u679c\u4f60\u7684TODO\u662f\u201d\u5c06\u6765\u505a\u67d0\u4e8b\u201d\u7684\u5f62\u5f0f, \u90a3\u4e48\u8bf7\u786e\u4fdd\u4f60\u5305\u542b\u4e86\u4e00\u4e2a\u6307\u5b9a\u7684\u65e5\u671f(\u201c2009\u5e7411\u6708\u89e3\u51b3\u201d)\u6216\u8005\u4e00\u4e2a\u7279\u5b9a\u7684\u4e8b\u4ef6(\u201c\u7b49\u5230\u6240\u6709\u7684\u5ba2\u6237\u90fd\u53ef\u4ee5\u5904\u7406XML\u8bf7\u6c42\u5c31\u79fb\u9664\u8fd9\u4e9b\u4ee3\u7801\u201d).<\/p>\n
          \u00a0<\/h1>\n
          \u5bfc\u5165\u683c\u5f0f<\/h1>\n
          \u6bcf\u4e2a\u5bfc\u5165\u5e94\u8be5\u72ec\u5360\u4e00\u884c<\/p>\n
          \u5bfc\u5165\u603b\u5e94\u8be5\u653e\u5728\u6587\u4ef6\u9876\u90e8, \u4f4d\u4e8e\u6a21\u5757\u6ce8\u91ca\u548c\u6587\u6863\u5b57\u7b26\u4e32\u4e4b\u540e, \u6a21\u5757\u5168\u5c40\u53d8\u91cf\u548c\u5e38\u91cf\u4e4b\u524d. \u5bfc\u5165\u5e94\u8be5\u6309\u7167\u4ece\u6700\u901a\u7528\u5230\u6700\u4e0d\u901a\u7528\u7684\u987a\u5e8f\u5206\u7ec4:<\/p>\n
            \n
          1. \u6807\u51c6\u5e93\u5bfc\u5165<\/li>\n
          2. \u7b2c\u4e09\u65b9\u5e93\u5bfc\u5165<\/li>\n
          3. \u5e94\u7528\u7a0b\u5e8f\u6307\u5b9a\u5bfc\u5165<\/li>\n<\/ol>\n
            \u6bcf\u79cd\u5206\u7ec4\u4e2d, \u5e94\u8be5\u6839\u636e\u6bcf\u4e2a\u6a21\u5757\u7684\u5b8c\u6574\u5305\u8def\u5f84\u6309\u5b57\u5178\u5e8f\u6392\u5e8f, \u5ffd\u7565\u5927\u5c0f\u5199.<\/p>\n\n\n\n
            import foo <\/span>\nfrom foo import bar<\/span>\nfrom foo.bar import baz<\/span>\nfrom foo.bar import Quux<\/span>\nfrom Foob import ar<\/span>\n<\/pre>\n\n\n\n
             <\/h1>\n
            \u8bed\u53e5<\/h1>\n
            \u901a\u5e38\u6bcf\u4e2a\u8bed\u53e5\u5e94\u8be5\u72ec\u5360\u4e00\u884c<\/p>\n
            \u4e0d\u8fc7, \u5982\u679c\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u6d4b\u8bd5\u8bed\u53e5\u5728\u4e00\u884c\u653e\u5f97\u4e0b, \u4f60\u4e5f\u53ef\u4ee5\u5c06\u5b83\u4eec\u653e\u5728\u540c\u4e00\u884c. \u5982\u679c\u662fif\u8bed\u53e5, \u53ea\u6709\u5728\u6ca1\u6709else\u65f6\u624d\u80fd\u8fd9\u6837\u505a. \u7279\u522b\u5730, \u7edd\u4e0d\u8981\u5bf9 try\/except<\/code> \u8fd9\u6837\u505a, \u56e0\u4e3atry\u548cexcept\u4e0d\u80fd\u653e\u5728\u540c\u4e00\u884c.<\/p>\n\n\n\n
            if foo: bar(foo)<\/span>\n<\/pre>\n\n\n\n
             <\/h1>\n
            \u8bbf\u95ee\u63a7\u5236<\/h1>\n
            \u5728Python\u4e2d, \u5bf9\u4e8e\u7410\u788e\u53c8\u4e0d\u592a\u91cd\u8981\u7684\u8bbf\u95ee\u51fd\u6570, \u4f60\u5e94\u8be5\u76f4\u63a5\u4f7f\u7528\u516c\u6709\u53d8\u91cf\u6765\u53d6\u4ee3\u5b83\u4eec, \u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u989d\u5916\u7684\u51fd\u6570\u8c03\u7528\u5f00\u9500. \u5f53\u6dfb\u52a0\u66f4\u591a\u529f\u80fd\u65f6, \u4f60\u53ef\u4ee5\u7528\u5c5e\u6027(property)\u6765\u4fdd\u6301\u8bed\u6cd5\u7684\u4e00\u81f4\u6027.<\/p>\n
            (\u8bd1\u8005\u6ce8: \u91cd\u89c6\u5c01\u88c5\u7684\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u5458\u770b\u5230\u8fd9\u4e2a\u53ef\u80fd\u4f1a\u5f88\u53cd\u611f, \u56e0\u4e3a\u4ed6\u4eec\u4e00\u76f4\u88ab\u6559\u80b2: \u6240\u6709\u6210\u5458\u53d8\u91cf\u90fd\u5fc5\u987b\u662f\u79c1\u6709\u7684! \u5176\u5b9e, \u90a3\u771f\u7684\u662f\u6709\u70b9\u9ebb\u70e6\u554a. \u8bd5\u7740\u53bb\u63a5\u53d7Pythonic\u54f2\u5b66\u5427)<\/p>\n
            \u53e6\u4e00\u65b9\u9762, \u5982\u679c\u8bbf\u95ee\u66f4\u590d\u6742, \u6216\u8005\u53d8\u91cf\u7684\u8bbf\u95ee\u5f00\u9500\u5f88\u663e\u8457, \u90a3\u4e48\u4f60\u5e94\u8be5\u4f7f\u7528\u50cf get_foo()<\/code> \u548c set_foo()<\/code> \u8fd9\u6837\u7684\u51fd\u6570\u8c03\u7528.<\/p>\n
            \u5982\u679c\u4e4b\u524d\u7684\u4ee3\u7801\u884c\u4e3a\u5141\u8bb8\u901a\u8fc7\u5c5e\u6027(property)\u8bbf\u95ee , \u90a3\u4e48\u5c31\u4e0d\u8981\u5c06\u65b0\u7684\u8bbf\u95ee\u51fd\u6570\u4e0e\u5c5e\u6027\u7ed1\u5b9a.<\/p>\n
            \u8fd9\u6837, \u4efb\u4f55\u8bd5\u56fe\u901a\u8fc7\u8001\u65b9\u6cd5\u8bbf\u95ee\u53d8\u91cf\u7684\u4ee3\u7801\u5c31\u6ca1\u6cd5\u8fd0\u884c, \u4f7f\u7528\u8005\u4e5f\u5c31\u4f1a\u610f\u8bc6\u5230\u590d\u6742\u6027\u53d1\u751f\u4e86\u53d8\u5316.<\/p>\n
             <\/h1>\n
            \u547d\u540d<\/h1>\n
            \u5e94\u8be5\u907f\u514d\u7684\u540d\u79f0<\/strong><\/h3>\n
              \n
            1. \u5355\u5b57\u7b26\u540d\u79f0, \u9664\u4e86\u8ba1\u6570\u5668\u548c\u8fed\u4ee3\u5668.<\/li>\n
            2. \u5305\/\u6a21\u5757\u540d\u4e2d\u7684\u8fde\u5b57\u7b26(-)<\/li>\n
            3. \u53cc\u4e0b\u5212\u7ebf\u5f00\u5934\u5e76\u7ed3\u5c3e\u7684\u540d\u79f0(Python\u4fdd\u7559, \u4f8b\u5982__init__)<\/li>\n<\/ol>\n
               <\/h3>\n
              \u547d\u540d\u7ea6\u5b9a<\/strong><\/h3>\n
                \n
              1. \u6240\u8c13\u201d\u5185\u90e8(Internal)\u201d\u8868\u793a\u4ec5\u6a21\u5757\u5185\u53ef\u7528, \u6216\u8005, \u5728\u7c7b\u5185\u662f\u4fdd\u62a4\u6216\u79c1\u6709\u7684.<\/li>\n
              2. \u7528\u5355\u4e0b\u5212\u7ebf(_)\u5f00\u5934\u8868\u793a\u6a21\u5757\u53d8\u91cf\u6216\u51fd\u6570\u662fprotected\u7684(\u4f7f\u7528import * from\u65f6\u4e0d\u4f1a\u5305\u542b).<\/li>\n
              3. \u7528\u53cc\u4e0b\u5212\u7ebf(__)\u5f00\u5934\u7684\u5b9e\u4f8b\u53d8\u91cf\u6216\u65b9\u6cd5\u8868\u793a\u7c7b\u5185\u79c1\u6709.<\/li>\n
              4. \u5c06\u76f8\u5173\u7684\u7c7b\u548c\u9876\u7ea7\u51fd\u6570\u653e\u5728\u540c\u4e00\u4e2a\u6a21\u5757\u91cc. \u4e0d\u50cfJava, \u6ca1\u5fc5\u8981\u9650\u5236\u4e00\u4e2a\u7c7b\u4e00\u4e2a\u6a21\u5757.<\/li>\n
              5. \u5bf9\u7c7b\u540d\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u5f00\u5934\u7684\u5355\u8bcd(\u5982CapWords, \u5373Pascal\u98ce\u683c), \u4f46\u662f\u6a21\u5757\u540d\u5e94\u8be5\u7528\u5c0f\u5199\u52a0\u4e0b\u5212\u7ebf\u7684\u65b9\u5f0f(\u5982lower_with_under.py). \u5c3d\u7ba1\u5df2\u7ecf\u6709\u5f88\u591a\u73b0\u5b58\u7684\u6a21\u5757\u4f7f\u7528\u7c7b\u4f3c\u4e8eCapWords.py\u8fd9\u6837\u7684\u547d\u540d, \u4f46\u73b0\u5728\u5df2\u7ecf\u4e0d\u9f13\u52b1\u8fd9\u6837\u505a, \u56e0\u4e3a\u5982\u679c\u6a21\u5757\u540d\u78b0\u5de7\u548c\u7c7b\u540d\u4e00\u81f4, \u8fd9\u4f1a\u8ba9\u4eba\u56f0\u6270.<\/li>\n<\/ol>\n
                 <\/h1>\n
                Main<\/h1>\n
                \u5373\u4f7f\u662f\u4e00\u4e2a\u6253\u7b97\u88ab\u7528\u4f5c\u811a\u672c\u7684\u6587\u4ef6, \u4e5f\u5e94\u8be5\u662f\u53ef\u5bfc\u5165\u7684. \u5e76\u4e14\u7b80\u5355\u7684\u5bfc\u5165\u4e0d\u5e94\u8be5\u5bfc\u81f4\u8fd9\u4e2a\u811a\u672c\u7684\u4e3b\u529f\u80fd(main functionality)\u88ab\u6267\u884c, \u8fd9\u662f\u4e00\u79cd\u526f\u4f5c\u7528. \u4e3b\u529f\u80fd\u5e94\u8be5\u653e\u5728\u4e00\u4e2amain()\u51fd\u6570\u4e2d.<\/p>\n
                \u5728Python\u4e2d, pydoc\u4ee5\u53ca\u5355\u5143\u6d4b\u8bd5\u8981\u6c42\u6a21\u5757\u5fc5\u987b\u662f\u53ef\u5bfc\u5165\u7684. \u4f60\u7684\u4ee3\u7801\u5e94\u8be5\u5728\u6267\u884c\u4e3b\u7a0b\u5e8f\u524d\u603b\u662f\u68c0\u67e5 if __name__ == '__main__'<\/code> , \u8fd9\u6837\u5f53\u6a21\u5757\u88ab\u5bfc\u5165\u65f6\u4e3b\u7a0b\u5e8f\u5c31\u4e0d\u4f1a\u88ab\u6267\u884c.<\/p>\n\n\n\n
                def main(): <\/span>\n      ... <\/span>\nif __name__ == '__main__': <\/span>\n    main()<\/span>\n<\/pre>\n\n\n\n
                \u6240\u6709\u7684\u9876\u7ea7\u4ee3\u7801\u5728\u6a21\u5757\u5bfc\u5165\u65f6\u90fd\u4f1a\u88ab\u6267\u884c. \u8981\u5c0f\u5fc3\u4e0d\u8981\u53bb\u8c03\u7528\u51fd\u6570, \u521b\u5efa\u5bf9\u8c61, \u6216\u8005\u6267\u884c\u90a3\u4e9b\u4e0d\u5e94\u8be5\u5728\u4f7f\u7528pydoc\u65f6\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n
                \u2026\u2026<\/p>\n
                \u8f6c\u8f7d\u81ea\u83dc\u9e1f\u6559\u7a0b<\/a>\uff0c\u611f\u8c22\u3002<\/p>\n
                \u867d\u7136\u6211\u7ecf\u5e38\u7528Python\uff0c\u4f46\u662f\u4e00\u76f4\u7f16\u5199\u4e0d\u592a\u89c4\u8303\uff0c\u6bd4\u5982\u9017\u53f7\u540e\u603b\u662f\u4e0d\u52a0\u7a7a\u683c\uff0c\u4ee3\u7801\u6ce8\u91ca\u4e5f\u5f88\u5dee\u7b49\u7b49\uff0c\u4eca\u5929\u5c31\u8f6c\u4e00\u7bc7Python\u4ee3\u7801\u89c4\u8303\u7ed9\u81ea\u5df1\u63d0\u9192\u4e00\u4e0b\u5427\u3002<\/p>\n
                 <\/p>\n\n\n\n
                \n\n\n\n
                \u82a6\u82b1\u88ab\u4e0b \uff0c\u5367\u96ea\u7720\u4e91\uff0c<\/p>\n
                \u4fdd\u5168\u5f97\u4e00\u7a9d\u591c\u6c14\uff1b<\/p>\n
                \u7af9\u53f6\u676f\u4e2d\uff0c\u541f\u98ce\u5f04\u6708\uff0c<\/p>\n
                \u8eb2\u79bb\u4e86\u4e07\u4e08\u7ea2\u5c18\u3002<\/p>\n
                \u300a\u83dc\u6839\u8c2d\u300b<\/p>\n
                \u2014\u2014\u6d2a\u5e94\u660e<\/p>\n","protected":false},"excerpt":{"rendered":"
                Python \u98ce\u683c\u89c4\u8303(Google) \u672c\u9879\u76ee\u5e76\u975e Google \u5b98\u65b9\u9879\u76ee, \u800c\u662f\u7531\u56fd\u5185\u7a0b\u5e8f\u5458\u51ed\u70ed\u60c5\u521b\u5efa\u548c\u7ef4\u62a4 […]<\/p>\n","protected":false},"author":1,"featured_media":924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12,4],"tags":[37,15],"_links":{"self":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/270"}],"collection":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=270"}],"version-history":[{"count":0,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/270\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/media\/924"}],"wp:attachment":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}