import os

os.system("taskkill /F /IM python.exe")#旧版

os.system("taskkill /F /IM py.exe")#3.7.3

from pynput.keyboard import Listener

import os

def press(key):

    if key.char=='':

        os.system("taskkill /F /IM py.exe")

    else:

        print('按了什么鬼')

with Listener(on_press = press) as listener:

        listener.join()

i=0

input()

while True:

    i+=1

    print(str(i))