auto save

snake.py

@@ -23,7 +23,7 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     x+=30
-    position.append(x,y)
+    position.append((x,y))
     position.pop(0)
     
     # 将背景图画上去
@@ -32,7 +32,7 @@ while True:
     screen.blit(right,position[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
-        
+        screen.blit(body,position[i])
 
     #screen.blit(body, (210, 120))
     #screen.blit(body, (180, 120))