请写一个植物大战僵尸的python代码，包含游戏界面，做的精致点。

以下是一个植物大战僵尸的Python代码，包含了简单的游戏界面和声音效果，希望能够满足您的需求。注意：由于界面和声音效果需要用到外部库，代码在本地运行可能需要额外安装库文件。

import random
import pygame

# 初始化pygame
pygame.init()

# 设置游戏窗口大小
window_size = (1024, 576)
window = pygame.display.set_mode(window_size)
pygame.display.set_caption("植物大战僵尸")

# 加载背景图片
background_image = pygame.image.load("background.png").convert_alpha()
background_rect = background_image.get_rect()

# 加载植物图片
peashooter_image = pygame.image.load("peashooter.png").convert_alpha()
sunflower_image = pygame.image.load("sunflower.png").convert_alpha()

# 加载僵尸图片
zombie_image = pygame.image.load("zombie.png").convert_alpha()

# 加载音效
attack_sound = pygame.mixer.Sound("attack.wav")
game_over_sound = pygame.mixer.Sound("game_over.wav")

# 植物类
class Plant:
    def __init__(self, name, cost, hp, damage, image):
        self.name = name
        self.cost = cost
        self.hp = hp
        self.damage = damage
        self.image = image

    # 绘制植物
    def draw(self, x, y):
        window.blit(self.image, (x, y))

    # 植物攻击僵尸
    def attack(self, zombie):
        zombie.hp -= self.damage
        attack_sound.play()
        if zombie.hp <= 0:
            print(f"{zombie.name}被{self.name}击败了！")
            return True
        else:
            return False

# 僵尸类
class Zombie:
    def __init__(self, name, hp, damage, image):
        self.name = name
        self.hp = hp
        self.damage = damage
        self.image = image

    # 绘制僵尸
    def draw(self, x, y):
        window.blit(self.image, (x, y))

    # 僵尸攻击植物
    def attack(self, plant):
        plant.hp -= self.damage
        attack_sound.play()
        if plant.hp <= 0:
            print(f"{plant.name}被{self.name}击败了！")
            return True
        else:
            return False

# 游戏类
class Game:
    def __init__(self):
        self.plants = []
        self.zombies = []
        self.sun = 50
        self.round = 1
        self.game_over = False

    # 添加植物
    def add_plant(self, plant):
        self.plants.append(plant)

    # 添加僵尸
    def add_zombie(self, zombie):
        self.zombies.append(zombie)

    # 游戏开始
    def start(self):
        print("游戏开始！")
        while not self.game_over:
            # 显示当前局数和太阳数
            print(f"第{self.round}轮：太阳数{self.sun}")

            # 显示可用植物
            print("可用植物：")
            for i, plant in enumerate(self.plants):
                print(f"{i + 1}. {plant.name} ({plant.cost}阳光)")

            # 显示可用僵尸
            print("可用僵尸：")
            for i, zombie in enumerate(self.zombies):
                print(f"{i + 1}. {zombie.name} ({zombie.hp}血量)")

            # 绘制游戏界面
            window.blit(background_image, background_rect)

            for i, plant in enumerate(self.plants):
                plant.draw(100 + i * 100, 400)

            for i, zombie in enumerate(self.zombies):
                zombie.draw(800 - i * 100, 400)

            # 处理游戏事件
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    self.game_over = True
                elif event.type == pygame.MOUSEBUTTONUP:
                    # 获取鼠标点击位置
                    x, y = pygame.mouse.get_pos()
                    # 判断是否点击了植物
                    for i, plant in enumerate(self.plants):
                        if plant.cost <= self.sun and x >= 100 + i * 100 and x < 200 + i * 100 and y >= 400 and y < 500:
                            # 选择植物
                            selected_plant = plant
                            break
                    else:
                        selected_plant = None
                    # 判断是否点击了僵尸
                    for i, zombie in enumerate(self.zombies):
                        if x >= 800 - i * 100 and x < 900 - i * 100 and y >= 400 and y < 500:
                            # 选择僵尸
                            selected_zombie = zombie
                            break
                    else:
                        selected_zombie = None

                    if selected_plant is not None and selected_zombie is not None:
                        # 植物攻击
                        if selected_plant.attack(selected_zombie):
                            self.zombies.remove(selected_zombie)
                            self.sun += 25
                            print(f"获得25阳光！")
                            # 判断游戏是否结束
                            if len(self.zombies) == 0:
                                print("游戏结束，植物胜利！")
                                self.game_over = True
                                break
                        else:
                            # 僵尸攻击
                            for zombie in self.zombies:
                                if zombie.attack(selected_plant):
                                    self.plants.remove(selected_plant)
                                    # 判断游戏是否结束
                                    if len(self.plants) == 0:
                                        print("游戏结束，僵尸胜利！")
                                        self.game_over = True
                                        break
                                    break
                            else:
                                self.sun -= selected_plant.cost

            # 更新显示
            pygame.display.update()

            # 进入下一轮
            print()
            self.round += 1

# 创建植物和僵尸
peashooter = Plant("豌豆射手", 100, 10, 5, peashooter_image)
sunflower = Plant("向日葵", 50, 5, 0, sunflower_image)
zombie = Zombie("普通僵尸", 20, 2, zombie_image)

# 创建游戏并添加植物和僵尸
game = Game()
game.add_plant(peashooter)
game.add_plant(sunflower)
game.add_zombie(zombie)

# 开始游戏
game.start()

# 播放游戏结束音效
game_over_sound.play()

# 退出pygame
pygame.quit()