sys模块

1. 显示操作系统及python解释器版本

#  Windows
>>> import sys
>>> sys.version
'3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 18:41:36) [MSC v.1900 64 bit (AMD64)]'

#  Linux
>>> import sys
>>> sys.version
'2.7.5 (default, Nov  6 2016, 00:28:07) \n[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)]'

　　

2. sys.argv，读取参数

import sys   #sysargv.py文件
print(sys.argv)

C:\Users\wangshijun\PycharmProjects\day1>python sysargv.py 1 3 4
['sysargv.py', '1', '3', '4']