python调用windows下的应用程序的方法

import subprocess
exe_path = 'C:\Program Files\Tencent\QQ\Bin\QQ.exe'
def CallExe():
    p=subprocess.Popen(exe_path, stdin = subprocess.PIPE, stdout = subprocess.PIPE,stderr = subprocess.PIPE,shell = True)

 还有牛人总结的更好，更全面。

http://www.cnblogs.com/vamei/archive/2012/09/23/2698014.html