save project

snake.py

@@ -12,8 +12,8 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
-
+right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
 x= 240
 y = 120
 
@@ -22,7 +22,12 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x += 30 
+     elift event.type == locals.KEYDOWN;
+             if event.key == localsk_RIGHT and setheading != "left":
+                 setheading = 'right'
+                 snake_head = right
+            if event.key == locals
+     
      # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去