"Keep me online"

online.py

import time
import random
import pyautogui

FLAG = True
OFFLINETIME = "18:00:00"

while True:

    t = time.localtime()
    current_time = time.strftime("%H:%M:%S", t)

    if current_time == OFFLINETIME:
        pyautogui.alert('下班了.')
        break

    if FLAG:
        pyautogui.hotkey('ctrl','right')
        FLAG = False
    else:
        pyautogui.hotkey('ctrl','left')
        FLAG=True

    pyautogui.PAUSE = random.randint(5, 10) # time.sleep(random.randint(10,80))