save project

my_game.py

@@ -86,11 +86,12 @@ while True:
     time+=1
     if time >=60:
         num=random.randint(0,50)
-        if num >=20:
+        if num >20:
             aa=Block(bush,cacti,stone)
             block_list.add(aa)
         time=0
     for sprite in block_list:
+        sprite.rect.x -= 8
         screen.blit(sprite.image,(sprite.rect.x,sprite.rect.y))
         if sprite.rect.x<=0-sprite.rect.width:
             sprite.kill()