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))
-backgound = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
-body = pygame.image.load('body.png')
-apple = pygame.image.load('apple.png')
 while True:
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            exit()
-    screen.blit(backgound,(0,0))
-    screen.blit(right,(210,90))
-    screen.blit(body,(180,90))
-    screen.blit(body,(150,90))
-    screen.blit(body,(150,120))
-    screen.blit(apple,(150,180))
-    pygame.display.update()
-
-
+         if event.type == locals.QUIT:
+             exit()       
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