clicker

clicker.py

import time
import pyautogui
import random

for i in range(3):
    print(f"countdown: {3-i}")
    time.sleep(1)
    
dist = 30
for _ in range(100000):
    pyautogui.moveRel(dist, 0)
    pyautogui.click()
    time.sleep(2)
    dist *= -1

set your mouse to the left arrow of the calendar then start the script

keep your terminal open so you can stop the script when you're done