Python 2.3.4 (#1, Feb  2 2005, 11:44:13)

[GCC 3.4.3 20041212 (Red Hat 3.4.3-9.EL4)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> user=raw_input("please input:")

please input:wei                          #  raw_input 输入  字符串  成功

>>> user

'wei'

>>> user=input("please input:")

please input:123                          #  input 输入  数字  成功（返回的是数字）

>>> user

123

>>> user=raw_input("please input:")

please input:111 <span style="white-space:pre">			</span>  #  raw_input 输入  数字  成功（返回的还是当成字符串）

>>> user

'111'

>>> user=input("please input:")

please input:wei                          #  input  输入字符串   失败

Traceback (most recent call last):

  File "<stdin>", line 1, in ?

  File "<string>", line 0, in ?

NameError: name 'wei' is not defined

Python 3.2.3 (default, Apr 11 2012, 07:15:24) [MSC v.1500 32 bit (Intel)] on win

32

Type "help", "copyright", "credits" or "license" for more information.

>>> user=raw_input("please input:")                 #没有了raw_input

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

NameError: name 'raw_input' is not defined

>>> user=input("please input:")

please input:wei

>>> user

'wei'

>>> user=input("please input:")                     #input的输出结果都是作为字符串

please input:123

>>> user

'123'