save project

my_game.py

 import pygame
+import os
 from pygame import locals
 
 pygame.init()  # 初始化
@@ -11,7 +12,7 @@ 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
-hero = pygame.image.load('hero1.png')
+herolist = ['hero1.png','hero2.png','hero3.png','hero4.png','hero5.png']
 index = 0 
 
 while True:
@@ -19,11 +20,16 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+    wukong = pygame.image.load(herolist[index])
+    index += 1
+    if index == 5:
+        index = 0
 
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(hero, (150, 400))
+    screen.blit(wukong, (150, 400))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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