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用Python和PyGame写一个贪吃蛇程序

这是chatGPT回答的一个问题，然后他直接给出了下面的代码，我没有测试过，不知道对不对。不过看还挺神的，连注释都有模有样。

import pygame
import random

# 初始化 Pygame
pygame.init()

# 游戏窗口大小
WINDOW_WIDTH = 500
WINDOW_HEIGHT = 500

# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GREEN = (0, 255, 0)
RED = (255, 0, 0)

# 创建游戏窗口
screen = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))
pygame.display.set_caption("贪吃蛇")

# 设置游戏时钟
clock = pygame.time.Clock()

# 定义蛇的初始位置和大小
snake_pos = [250, 250]
snake_body = [[250, 250], [240, 250], [230, 250]]
snake_direction = "RIGHT"

# 定义食物的位置
food_pos = [random.randrange(1, (WINDOW_WIDTH//10)) * 10,
            random.randrange(1, (WINDOW_HEIGHT//10)) * 10]

# 定义字体
font_style = pygame.font.SysFont(None, 30)

# 定义游戏结束提示信息
def message(msg, color):
    message = font_style.render(msg, True, color)
    screen.blit(message, [WINDOW_WIDTH/6, WINDOW_HEIGHT/3])

# 游戏主循环
def gameLoop():
    game_over = False
    game_close = False

    while not game_over:
        while game_close:
            screen.fill(WHITE)
            message("游戏结束! 按 Q 退出，按 C 重新开始", RED)
            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_over = True
                        game_close = False
                    elif event.key == pygame.K_c:
                        gameLoop()

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_over = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    snake_direction = "LEFT"
                elif event.key == pygame.K_RIGHT:
                    snake_direction = "RIGHT"
                elif event.key == pygame.K_UP:
                    snake_direction = "UP"
                elif event.key == pygame.K_DOWN:
                    snake_direction = "DOWN"

        # 移动蛇的位置
        if snake_direction == "LEFT":
            snake_pos[0] -= 10
        elif snake_direction == "RIGHT":
            snake_pos[0] += 10
        elif snake_direction == "UP":
            snake_pos[1] -= 10
        elif snake_direction == "DOWN":
            snake_pos[1] += 10

        # 如果蛇头与食物位置相同，则添加食物并重新生成新的位置
        if snake_pos[0] == food_pos[0] and snake_pos[1] == food_pos[1]:
            food_pos = [random.randrange(1, (WINDOW_WIDTH//10)) * 10,
                        random.randrange(1, (WINDOW_HEIGHT//10)) * 10]
        else:
            snake_body.pop()

        # 添加蛇的位置
        snake_body.insert(0, list(snake_pos))

        # 检查蛇是否碰到了边界或自己

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