auto save

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -53,6 +54,16 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
+    if x == apple_x and y == apple_y:
+        num_x = random.randint(1,22)
+        num_y = random.randint(1,16)
+        apple_x = 30*num_x - 30
+        apple_y = 30*num_y - 30 
+   
+   
+   
+   
+   
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去