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摘自google.

https://i.cnblogs.com/PostDone.aspx?postid=9753605&actiontip=%E4%BF%9D%E5%AD%98%E4%BF%AE%E6%94%B9%E6%88%90%E5%8A%9F

1、缩进

    Tip

    用4个空格来缩进代码

2、代码太长:      

  如果一个文本字符串在一行放不下, 可以使用圆括号来实现隐式行连接:

  x = ('This will build a very long long '
     'long long long long long long string')
或者:

  print \\ 

   "hello world!"

3、类:

class SampleClass(object):

4、注释:

    

"""Explicitly inherits from another class already."""

或者

#Explicitly inherits from another class already.

5、字符串:

     通常可以用+,%,join(), format 三个函数进行处理

    %s   #字符串

    %d  #数字

 

Yes: x = a + b
     x = '%s, %s!' % (imperative, expletive)
     x = '{}, {}!'.format(imperative, expletive)
     x = 'name: %s; score: %d' % (name, n)
     x = 'name: {}; score: {}'.format(name, n)
Join:
items = ['ni','hao'];
  employee_table = ''.join(items);

6、处理文件:

   

1、with open("hello.txt") as hello_file:
    for line in hello_file:
        print line



2、import contextlib

with contextlib.closing(urllib.urlopen("http://www.python.org/")) as front_page:
    for line in front_page:
        print line
 

7、变量等命名规范:

  

Python之父Guido推荐的规范

Type                  Public                      Internal
Modules                lower_with_under                 _lower_with_under
Packages                lower_with_under                 ---------
Classes                 CapWords                     _CapWords
Exceptions               CapWords                     --------
Functions               lower_with_under()               _lower_with_under()
Global/Class Constants        CAPS_WITH_UNDER                 _CAPS_WITH_UNDER
Global/Class Variables        lower_with_under                _lower_with_under
Instance Variables          lower_with_under                _lower_with_under (protected) or __lower_with_under (private)
Method Names              lower_with_under()              _lower_with_under() (protected) or __lower_with_under() (private)
Function/Method Parameters      lower_with_under     
Local Variables            lower_with_under

 

 

posted on 2018-10-08 13:49  bug_x  阅读(116)  评论(0编辑  收藏  举报