save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import random
 # 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()
 
 
@@ -51,8 +51,7 @@ while True:
     elif setheading == "up":
     elif setheading == "up":
         y -= 30
         y -= 30
     else:
     else:
-        y += 
-    import 
+        y += 30 
     while True:
     while True:
         if x == apple_x and y == apple_y:
         if x == apple_x and y == apple_y:
             apple_x = random.randint(0,660)
             apple_x = random.randint(0,660)