save project

snake.py

 import pygame
 from pygame import locals
-import.random
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 time = pygame.time.Clock()
@@ -56,10 +56,15 @@ while True:
               
 
     shenti.append((x,y))
+    
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    else:
         shenti.pop(0)    
-    if x==apple_x and y==apple_y
-    apple_x=randon.randint(0,660)
-    apple_x=randon.randint(0,480)
+      
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(snake_head, shenti[-1])