input和raw_input区别
>>> name=input("what is your name?")what is your name?aTraceback (most recent call last): File "<stdin>", line 1, in <module> File "<string>", line 1, in <module>NameError: name 'a' is not defined>>> name=input("what is your name?")what is your name?"a">>> print namea>>> raw_input("your name is:")your name is:a'a'>>> a=raw_input("your name is:")your name is:a>>> print aa>>>