input 和 raw_input

input : 把输入的原样输出

raw_input: 把输入的转换为字符串输出

>>> name = input("your name : ")

your name : xxj
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<string>", line 1, in <module>

NameError: name 'xxj' is not defined

>>> name = raw_input("your name :")
your name :xxj
>>> print "hello" + name + "!"

helloxxj!

>>> input ("enter a number: ")
enter a number: 3
3
>>> raw_input("enter a number: ")
enter a number: 3
'3'
>>>