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snake.py

-import pygame
-from pygame import locals
-#初始化
-pygame.init()
-#建立一个窗口
-screen = pygame.display.set_mode((660,480))
-#载入图片
-background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
-food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
-#让窗口一直显示，
-while True:
-    #一直检测事件发生
-   for event in pygame.event.get():
-       #接受退出事件执行退出程序
-    if event.type == locals.QUIT:
-        exit()
-#画面绘制
-    screen.blit(background,(0,0))
-    screen.blit(right,(240,180))
-    screen.blit(food,(390,0))
-    #连续调用一个文件，
-    screen.blit(body,(210,180))
-    screen.blit(body,(180,180))
-    screen.blit(body,(150,180))
-#画面刷新
-    pygame.display.update()
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