raw_input()

raw_input() 用于接收标准输入，并把标准输入当成字符串类型来处理，只能在 Python2 中使用，Python3 中没有这个函数

#!/usr/bin/env python
#-*- coding:utf-8 -*-

name = raw_input("Please input your name: ")
age = raw_input("Please input your age: ")

print type(name)
print type(age)

[root@gd_center_47.102.137.164 ~]# python 1.py
Please input your name: laowang
Please input your age: 28
<type 'str'>
<type 'str'>