collect_coins

def update():
    global score
    if keyboard.left:
        fox.x = fox.x - 2
    elif keyboard.right:
        fox.x = fox.x + 2
    elif keyboard.up:
        fox.y = fox.y - 2
    elif keyboard.down:
        fox.y = fox.y + 2
    coin_collected = fox.colliderect(coin)

    if coin_collected:
        score = score + 10
        place_coin()