python实现的重启关机程序实例

#!/usr/bin/python#coding=utf-8import timefrom os import systemruning = Truewhile runing:  input = raw_input('关机(s)OR重启(r)?(q退出)')  input = input.lower()  if input == 'q' or input =='quit':    runing = False    print '程序退出'    break  seconds = int(raw_input('请输入暂停时间(单位:秒):'))  time.sleep(seconds)  print '暂停时间:', seconds  runing = False    if input == 's':    print '关机ing'    system('halt')  elif input == 'r':    print '重启ing'    system('reboot')  else:    print '程序错误重新输入'    runing = Trueprint '程序结束~~~!'