pygame.init() pygame.display.set_caption('Turtle of IC') size = width, height = 680, 680 screen = pygame.display.set_mode(size) screen.fill([255, 255, 255]) grid = Grid() background = Background() turtle = Turtle(40, 40, 45, 45) moves = ["up", "down", "left", "right"] running = True while running: for event in pygame.event.get(): if event.type == pygame.QUIT: running = False background.drawBackground(screen) grid.drawGrid(screen) screen.blit(turtle.image, turtle.rect) move = randint(0, 3) turtle.moveTurtle(moves[move]) pygame.display.flip() time.sleep(0.2)