[issue1682] Move Demo/classes/Rat.py to Lib/rational.py and fix it up.

[Guido van Rossum]

Guido van Rossum added the comment:

> Would it be reasonable then to not have any of the numeric tower stuff
> put in the decimal module -- basically leave it alone (no __ceil__,
> etc)?

If that's the preference of the decimal developers, sure.

__________________________________
Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1682>
__________________________________