save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import  
+if x == apple_x and y == apple_y:
+        apple_x = random.randint(0, 660)
+        apple_y = random.randint(0, 480)
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()