save project

snake.py

@@ -20,14 +20,14 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     x+=30
-    position.apped((x,y))
+    position.append((x,y))
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right,position[-1])
     # 将贪吃蛇的身体画上去
-    for i in range(len(position[-1])):
+    for i in range(len(position)-1):
         screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))