beginner question: extending python types

[Michael Hudson]

Bob Horvath <usenet at horvath.com> writes:

> Jeremy Yallop wrote:
> > * Uwe Mayer
> > | I found Python lacking the type of a "set". i.e. an unordered list.
> > Use a dictionary, with the same value (1) for every key.
> >
> 
> Is there any significance to the value 1?

In this context, no.  It might be a tad confusing to have something
that was false, so None, 0 and () might be bad choices.  But I don't
think there's a good reason.

Cheers,
M.

-- 
  I've reinvented the idea of variables and types as in a
  programming language, something I do on every project.
                                          -- Greg Ward, September 1998