auto save

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-??
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+screen=pygame.display.set_mode((660,400))
+background=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+body=pygame.image.load('body.png')
+food=pygame.image.load('apple.png')
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+    screen.blit(background,(0,0))
+    screen.blit(right,(240,150))
+    screen.blit(body,(210,150))
+    screen.blit(body,(180,150))
+    screen.blit(body,(180,120))
+    screen.blit(food,(360,210))
+    pygame.display.update()
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