python click on screen

import pyautogui

pyautogui.click(100, 100)
pyautogui.moveTo(100, 150)
pyautogui.moveRel(0, 10)  # move mouse 10 pixels down
pyautogui.dragTo(100, 150)
pyautogui.dragRel(0, 10)  # drag mouse 10 pixels down

import autopy # pip install autopy
autopy.mouse.smooth_move(100, 600)