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()
 
 
@@ -56,8 +56,8 @@ while True:
     # 将背景图画上去.
     # 将背景图画上去.
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     if x ==apple_x and y==apple_y:
     if x ==apple_x and y==apple_y:
-        num1==random.randint(0,21)
-        num2==random.randint(0,15)
+        num1=random.randint(0,21)
+        num2=random.randint(0,15)
         apple_x=num1*30
         apple_x=num1*30
         apple_y=num2*30
         apple_y=num2*30
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去