auto save

snake.py

 import pygame
 from pygame import locals
-
+bg = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+apple = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480))
+
 while True :
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
-    
+    screen.blit(bg,(0,0))
+    screen.blit(right,(480,60))
+    screen.blit(body,(450,60))
+    screen.blit(body,(420,60))
+    screen.blit(body,(420,30))
+    screen.blit(apple,(480,90))
+    pygame.display.update()
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