給我一個python的貪吃蛇遊戲

這裡給你一個用 pygame 寫的簡單 Python 貪吃蛇遊戲 🐍
（先確保你有安裝 pygame：pip install pygame）

import pygame
import random

# 初始化
pygame.init()

# 視窗大小
WIDTH, HEIGHT = 600, 400
BLOCK_SIZE = 20

screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("貪吃蛇")

clock = pygame.time.Clock()
font = pygame.font.SysFont(None, 35)

# 顏色
WHITE = (255, 255, 255)
GREEN = (0, 200, 0)
RED = (200, 0, 0)
BLACK = (0, 0, 0)

def draw_snake(snake):
    for block in snake:
        pygame.draw.rect(screen, GREEN, (*block, BLOCK_SIZE, BLOCK_SIZE))

def show_score(score):
    text = font.render(f"Score: {score}", True, WHITE)
    screen.blit(text, [10, 10])

def game():
    snake = [[100, 100]]
    direction = "RIGHT"
    food = [random.randrange(0, WIDTH, BLOCK_SIZE),
            random.randrange(0, HEIGHT, BLOCK_SIZE)]
    score = 0

    running = True
    while running:
        screen.fill(BLACK)

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False

            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_UP and direction != "DOWN":
                    direction = "UP"
                elif event.key == pygame.K_DOWN and direction != "UP":
                    direction = "DOWN"
                elif event.key == pygame.K_LEFT and direction != "RIGHT":
                    direction = "LEFT"
                elif event.key == pygame.K_RIGHT and direction != "LEFT":
                    direction = "RIGHT"

        # 移動蛇
        head = snake[0].copy()
        if direction == "UP":
            head[1] -= BLOCK_SIZE
        elif direction == "DOWN":
            head[1] += BLOCK_SIZE
        elif direction == "LEFT":
            head[0] -= BLOCK_SIZE
        elif direction == "RIGHT":
            head[0] += BLOCK_SIZE

        # 撞牆
        if head[0] < 0 or head[0] >= WIDTH or head[1] < 0 or head[1] >= HEIGHT:
            running = False

        # 撞自己
        if head in snake:
            running = False

        snake.insert(0, head)

        # 吃食物
        if head == food:
            food = [random.randrange(0, WIDTH, BLOCK_SIZE),
                    random.randrange(0, HEIGHT, BLOCK_SIZE)]
            score += 1
        else:
            snake.pop()

        # 畫食物
        pygame.draw.rect(screen, RED, (*food, BLOCK_SIZE, BLOCK_SIZE))

        draw_snake(snake)
        show_score(score)

        pygame.display.update()
        clock.tick(10)

    pygame.quit()

if __name__ == "__main__":
    game()