save project

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -19,6 +20,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 660
+apple_y = 480
 
 setheading = "right"
 snake_head = right
@@ -53,8 +56,9 @@ while True:
         y += 30
     position.append((x, y))
 
-if apple_x and 
-
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0-660)    
+        apple_y = random.randint(0-480)
 
     position.pop(0)
     # 将背景图画上去