# -*- coding:utf-8 -*-
import os

command = 'ping www.baidu.com '#可以直接在命令列中執行的命令
r = os.popen(command)
info = r.readlines()
for line in info:
    line = line.strip('\r\n')
    if isinstance(line, unicode):
        cnstr = line.encode('utf-8')
    else:
        cnstr = line.decode('cp936').encode('utf-8'
 
)

print cnstr

參考：http://blog.sina.com.cn/s/blog_6a6c136d0102v4zx.html

http://www.cnblogs.com/liu-ke/p/5092274.html