#!/usr/bin/env python
#coding:utf8
#Author:Felix zheng
age_of_felix = 32
guess_age = input("guess age:")
if guess_age == age_of_felix:
print("yes,you got it.")
elif guess_age > age_of_felix:
print("think smaller!")
else:
print("think bigger!")
原文：http://www.cnblogs.com/ityunv/p/6029708.html