import pygameimport random # Initialize Pygamepygame.init() # Set up screenWIDTH, HEIGHT = 600, 400BLOCK_SIZE = 20screen = pygame.display.set_mode((WIDTH, HEIGHT))pygame.display.set_caption("Snake Game") # Define ColorsWHITE = (255, 255, 255)GREEN = (0, 255, 0)RED = (255, 0, 0)BLACK = (0, 0, 0) # Snake and Food Setupclock = pygame.time.Clock()font = pygame.font.SysFont(None, 35) def draw_snake(snake_list):for block in snake_list:pygame.draw.rect(screen, GREEN, [block[0], block[1], BLOCK_SIZE, BLOCK_SIZE]) def message(text, color):msg = font.render(text, True, color)screen.blit(msg, [WIDTH // 3, HEIGHT // 3]) def game_loop():x, y = WIDTH // 2, HEIGHT // 2dx, dy = 0, 0snake_list = []length = 1 food_x = random.randint(0, (WIDTH - BLOCK_SIZE) // BLOCK_SIZE) * BLOCK_SIZEfood_y = random.randint(0, (HEIGHT - BLOCK_SIZE) // BLOCK_SIZE) * BLOCK_SIZE running = Truewhile running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falseif event.type == pygame.KEYDOWN:if event.key == pygame.K_LEFT: dx, dy = -BLOCK_SIZE, 0if event.key == pygame.K_RIGHT: dx, dy = BLOCK_SIZE, 0if event.key == pygame.K_UP: dx, dy = 0, -BLOCK_SIZEif event.key == pygame.K_DOWN: dx, dy = 0, BLOCK_SIZE x += dxy += dy if x < 0 or x >= WIDTH or y < 0 or y >= HEIGHT:message("Game Over!", RED)pygame.display.update()pygame.time.delay(2000)running = False snake_head = [x, y]snake_list.append(snake_head)if len(snake_list) > length:del snake_list[0] if snake_head in snake_list[:-1]:message("Game Over!", RED)pygame.display.update()pygame.time.delay(2000)running = False screen.fill(BLACK)pygame.draw.rect(screen, RED, [food_x, food_y, BLOCK_SIZE, BLOCK_SIZE]) draw_snake(snake_list)pygame.display.update() if x == food_x and y == food_y:food_x = random.randint(0, (WIDTH - BLOCK_SIZE) // BLOCK_SIZE) * BLOCK_SIZEfood_y = random.randint(0, (HEIGHT - BLOCK_SIZE) // BLOCK_SIZE) * BLOCK_SIZElength += 1 clock.tick(10) pygame.quit() game_loop()