A5源码小编本文实例讲述了python访问系统环境变量的方法。分享给大家供大家参考。具体如下：

#--------------------------------

# Name: enviroment_variables.py

# Author: Kevin Harris

# Last Modified: 02/13/04

# Description: This Python script demonstrates

# how to acces enviroment variables.

#--------------------------------

import os

envVar = os.environ.get( "PATHEXT" )

print( "PATHEXT = " + envVar )

input( 'nPress Enter to exit...' )

希望本文所述对大家的Python程序设计有所帮助。