count=0
while count<3:
ages = int(input("请猜年龄："))
if ages == age:
print("你猜对了！")
break
elif ages < age:
print("你猜的年龄小了！")
else:
print("你猜的年龄大了！")
count+=1
if count==3:
keep_game=input("if you want keep to guessing(输入n退出游戏，其他则继续玩)...?")
if keep_game!="n":
count=0
原文：http://blog.51cto.com/12992048/2172969