python代码完成贪吃蛇

好的，以下是一个简单的 Python 贪吃蛇游戏代码：

import pygame
import random

# 初始化Pygame
pygame.init()

# 游戏窗口大小
width = 500
height = 500

# 定义颜色
black = (0, 0, 0)
white = (255, 255, 255)
red = (255, 0, 0)
green = (0, 255, 0)
blue = (0, 0, 255)

# 创建游戏窗口
game_display = pygame.display.set_mode((width, height))
pygame.display.set_caption('Snake Game')

# 设置游戏时钟
clock = pygame.time.Clock()

# 定义蛇的大小
block_size = 10

# 定义字体
font = pygame.font.SysFont(None, 25)


def message_to_screen(msg, color):
    screen_text = font.render(msg, True, color)
    game_display.blit(screen_text, [width / 6, height / 3])


def game_loop():
    game_exit = False
    game_over = False

    # 蛇头的位置
    lead_x = width / 2
    lead_y = height / 2

    # 蛇头的移动方向
    lead_x_change = 0
    lead_y_change = 0

    # 食物的位置
    food_x = round(random.randrange(0, width - block_size) / 10.0) * 10.0
    food_y = round(random.randrange(0, height - block_size) / 10.0) * 10.0

    # 蛇的长度
    snake_list = []
    snake_length = 1

    # 游戏循环
    while not game_exit:
        while game_over:
            game_display.fill(white)
            message_to_screen('Game over! Press Q to quit or C to play again', red)
            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_exit = True
                        game_over = False
                    if event.key == pygame.K_c:
                        game_loop()

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_exit = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    lead_x_change = -block_size
                    lead_y_change = 0
                elif event.key == pygame.K_RIGHT:
                    lead_x_change = block_size
                    lead_y_change = 0
                elif event.key == pygame.K_UP:
                    lead_y_change = -block_size
                    lead_x_change = 0
                elif event.key == pygame.K_DOWN:
                    lead_y_change = block_size
                    lead_x_change = 0

        # 判断蛇是否撞到边界
        if lead_x >= width or lead_x < 0 or lead_y >= height or lead_y < 0:
            game_over = True

        # 更新蛇头的位置
        lead_x += lead_x_change
        lead_y += lead_y_change

        # 绘制食物
        game_display.fill(white)
        pygame.draw.rect(game_display, blue, [food_x, food_y, block_size, block_size])

        # 绘制蛇身体
        snake_head = [lead_x, lead_y]
        snake_list.append(snake_head)

        if len(snake_list) > snake_length:
            del snake_list[0]

        for segment in snake_list[:-1]:
            if segment == snake_head:
                game_over = True

        for segment in snake_list:
            pygame.draw.rect(game_display, green, [segment[0], segment[1], block_size, block_size])

        pygame.display.update()

        # 判断蛇是否吃到食物
        if lead_x == food_x and lead_y == food_y:
            food_x = round(random.randrange(0, width - block_size) / 10.0) * 10.0
            food_y = round(random.randrange(0, height - block_size) / 10.0) * 10.0
            snake_length += 1

        # 设置游戏帧率
        clock.tick(15)

    # 退出Pygame
    pygame.quit()

    # 退出Python
    quit()


game_loop()

运行代码后，你就可以开始玩贪吃蛇了！