python中input和raw_input的区别

转载：http://blog.csdn.net/cvtingwei/article/details/7955075

 

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 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 			  #  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 2.7.3 同上

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在Python 3.2.3中 input和raw_input 整合了，没有了raw_input

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'