auto save

snake.py

@@ -41,7 +41,8 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    if x == apple_x and y == apple_y
+        apple_x==rand
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30