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
-screen=pygame.display.set_mode((800,600))
-background=pygame.image.load("bg.png")
-apple=pygame.image.load("apple.png")
-body=pygame.image.load("body.png")
-right=pygame.image.load("right.png")
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
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-    screen.blit(background,(0,0))
-    screen.blit(apple,(60,90))
-    screen.blit(right,(300,30))
-    screen.blit(body,(270,30))
-    screen.blit(body,(240,30))
-    screen.blit(body,(210,30))
-    pygame.display.update()
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