save project

snake.py

@@ -12,6 +12,9 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+right = pygame.image.load('right.png')
+up = pygame.image.load('up.png')
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
@@ -19,6 +22,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        
     x+=30
     position.append((x,y))
     position.pop(0)