python修改电脑时间启动xshell

# coding=utf-8 
"""
@Time    : 2019/01/21  上午 10:27 
@Author  : hzsyy
@FileName: modifySystemTime.py
@IDE     : PyCharm
"""
import os
import time
import ntplib

c = ntplib.NTPClient()
response = c.request('pool.ntp.org')
ts = response.tx_time
newDate = time.strftime('%Y-%m-%d', time.localtime(ts))
_time = time.strftime('%X', time.localtime(ts))
oldDate = "2018-12-20"
os.system('date {} && time {}'.format(oldDate, _time))
time.sleep(5)
os.popen(r"D://xshell//Xshell.exe")
time.sleep(4)
os.system('date {} && time {}'.format(newDate, _time))