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具体效果：（大雪缓缓下落）

完整代码：

import pygame
import random# 初始化 Pygame
pygame.init()# 设置窗口
width, height = 800, 600
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("下雪动画")# 定义雪花类
class Snowflake:def __init__(self):self.x = random.randint(0, width)self.y = random.randint(0, height)self.size = random.randint(2, 5)self.speed = random.uniform(1, 3)def fall(self):self.y += self.speedif self.y > height:self.y = 0self.x = random.randint(0, width)def draw(self):pygame.draw.circle(screen, (255, 255, 255), (self.x, self.y), self.size)# 创建雪花列表
snowflakes = [Snowflake() for _ in range(100)]# 主循环
running = True
while running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falsescreen.fill((0, 0, 0))  # 填充背景for snowflake in snowflakes:snowflake.fall()snowflake.draw()pygame.display.flip()pygame.time.delay(30)pygame.quit()