Automate the game 2048 with Python

#! python3
#_2048.py - A program that plays the game 2048 (https://play2048.co/)
# automatically.

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from random import randint

browser = webdriver.Firefox() # Open Firefox
browser.get('https://play2048.co/') # Go to https://play2048.co/
wait = WebDriverWait(browser, 10)

wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, ".game-container)))

def random_click(): # Function for random click
    rand_int = randint(1, 4)
    if rand_int == 1:
        Keys.UP
    elif rand_int == 2:
        Keys.RIGHT
    elif rand_int == 3:
        Keys.DOWN
    else:
        Keys.LEFT

random_click()

while '2048' not in board.values():
    tileContainer = browser.find_element(By.CLASS_NAME, 'tile-container') # finds the tile container
    tiles = tileContainer.find_elements(By.TAG_NAME, "div[class*='tile-position']") # finds every tile
    board = {'1-1': None, '1-2': None, '1-3': None, '1-4': None, '2-1': None,
             '2-2': None, '2-3': None, '2-4': None, '3-1': None, '3-2': None,
             '3-3': None, '3-4': None, '4-1': None, '4-2': None, '4-3': None,
             '4-4': None,
    } # creates an empty dictionary for the board which is filled right afterwards
    for tile in tiles: # fills the board
        board[tile.get_attribute('class')[26:29]] = tile.get_attribute('class')[10]
    # decision structure