cleaner way to write this?

[Paul Rubin]

Bruno Desthuilliers <bdesth.quelquechose at free.quelquepart.fr> writes:
> > But if the user doesn't enter any text, I don't want the method to
> > return at all (even None).
> 
> John, please re-read the FineManual(tm). None is the default return
> value of a function - even if there's no return statement.

Correct, but if the user doesn't enter text, the function is supposed
to loop and prompt for text again, instead of returning.