from selenium import webdriverfrom selenium.webdriver.common.keys import Keysimport timebrowser = webdriver.Firefox()url = 'https://gabrielecirulli.github.io/2048/'browser.get(url)game_ele = browser.find_element_by_class_name('game-container')while True:    retry_ele = browser.find_element_by_class_name('retry-button')    # new game    if retry_ele.text == 'Try again':        retry_ele.click()        game_ele = browser.find_element_by_class_name('game-container')    game_ele.send_keys(Keys.UP)    game_ele.send_keys(Keys.RIGHT)    game_ele.send_keys(Keys.DOWN)    game_ele.send_keys(Keys.LEFT)