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python中pass语句用法实例分析

WBOY
WBOYOriginal
2016-06-10 15:13:351272browse

本文实例讲述了python中pass语句用法。分享给大家供大家参考。具体分析如下:

1、空语句 do nothing

2、保证格式完整

3、保证语义完整

4、以if语句为例:

C/C++中写法:

if(true)
; // do nothing
else
{} // do nothing

python中写法:

if true:
pass # do nothing
else:
print "do something."

测试程序:定义一个空函数

>>> def nullfunc():
...   pass
...
>>> nullfunc()
>>>

希望本文所述对大家的Python程序设计有所帮助。

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