auto save

my_game.py

@@ -11,8 +11,12 @@ 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')
-index = 0 
+hero = [pygame.image.load('hero1.png')
+        pygame.image.load('hero2.png')
+        pygame.image.load('hero3.png')
+        pygame.image.load('hero4.png')
+        pygame.image.load('hero5.png')]
+
 
 while True:
     for event in pygame.event.get():