import time
import ctypes
from pynput.keyboard import Key
from pynput.keyboard import Controller
a=0
while True:
    if ctypes.windll.user32.GetForegroundWindow() == 0:
        print('0')
        time.sleep(2)
    else:
        a = a+1
        b = Controller()
        b.press(Key.f20)
        b.release(Key.f20)
        time.sleep(30)
        print('1')
        print(a)