import time,sys,datetime,os
def closed():
    print("关闭（" + str(datetime.datetime.now()) + "）")
    print("3秒后,程序将重启...")
    time.sleep(3)
    restart_program()
重启脚本
def restart_program():
    print('开始重启....合约交易')
    python = sys.executable
    os.execl(python, python, *sys.argv)
if name == 'main':
    closed()