difference between raw_input() and input()

[baalu aanand]

Hi,

     I have used both raw_input() and input() for a same input value.
But these gives different output.

     I have listed below what actually I have done

            >>> a = raw_input("===>")
                   ===> 023
            >>> a
                    '023'

     I have given the same value for the input() but it gives 19 as
result
            >>> a = input("===>")
                   ===>  023
            >>> a
                    19

  Is there anything hide within this. Please illustrate the difference
between raw_input() and input()

Thanks in advance
Baalu