auto save

snake.py

@@ -2,10 +2,12 @@ import pygame
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480),0,32)
 while True:
     for event in pygame.event.get():
         if event type == locals.QUIT:
-            exit()
\ No newline at end of file
+            exit()