[Tutor] New class, how return value of x in interactive shell

[Wayne Werner]

On Mon, Apr 5, 2010 at 12:08 PM, Vincent Davis <vincent at vincentdavis.net>wrote:

> I am working an a open source project and would like to add feature to a
> class.
> Current action:
> in:    >>>b = BString.new('I am a BString object')
> out:  >>>b
> in:    >>><BString - Python:0x1044846c8 / R:0x105c86f50>
> in:    >>>print(b)
> out:  >>> 21-letter "BString" instance
>                seq: I am a BString object
>
> What I would like is to be able to
> in   >>>b
> out >>>21-letter "BString" instance
>                seq: I am a BString object
>
> I have 2 questions
> 1, how do I do this?
> 2, how does print know what to do?
>
> I have a lot to learn so pointing me in the right direction or to
> documentation is as useful as the correct code.
>

Take a look at the repr and str methods:
 http://docs.python.org/reference/datamodel.html#basic-customization

HTH,
Wayne
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