save project

snake.py

@@ -4,15 +4,10 @@ from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
-background=pygame.image.load('bg.png')
-
-food=
 # 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:
             #接收到退出时间后退出程序
-            exit()
-
-    screen.blit(background,(0,0))
\ No newline at end of file
+            exit()
\ No newline at end of file