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Showing content from http://mail.python.org/pipermail/python-dev/2002-October/029385.html below:

PEP239 (Rational Numbers) Reference Implementation and new issues

[Python-Dev] Re: PEP239 (Rational Numbers) Reference Implementation and new issues [Python-Dev] Re: PEP239 (Rational Numbers) Reference Implementation and new issuesGuido van Rossum guido@python.org
Tue, 08 Oct 2002 12:09:57 -0400 
> So we could have:
> 
> >>> repr(r)
> '3/5r'    # or 'rat(3, 6)'

Surely you meant 'rat(3, 5)'. :-)

> >>> str(r)
> '3/5'

I'd like at least one of those return '0.6' or '0.6r'.  I think str(r)
should return '0.6', and then repr(r) could return '3/5r'.  For values
that require approximation as decimal, I'd say use the same number of
digits that str() of a float currently uses (about 12 I believe).  So
str(1/3r) should be '0.333333333333'.

--Guido van Rossum (home page: http://www.python.org/~guido/)

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