save project

my_game.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -11,7 +11,7 @@ background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路
 stone = pygame.image.load('stone.png')      # 石头
 cacti = pygame.image.load('cacti.png')      # 仙人掌
-apple = pygame.image.load('bush.png')      # 灌木丛
+bush = pygame.image.load('bush.png')      # 灌木丛
 hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero2.png'),
         pygame.image.load('hero3.png'),
@@ -56,7 +56,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(wukong, (150, 400))
+    screen.blit(wukong, (150, y))
     if rect.x <= 0-rect.width:
         obstacle = random.choice([bush,stone,cacti])
         rect = obstacle.get_rect()