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()
@@ -51,13 +52,17 @@ while True:
     else:
         y+=30
     position.append((x,y))
+    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
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):\
+    for i in range(len(position)-1):
         screen.blit(body,position[i])
 
     #screen.blit(body, (210, 120))