getting the fractional part of a real?

[Christian Heimes]

Roy Smith schrieb:
> What's the best way to get the fractional part of a real?  The two ways I 
> can see are r % 1 and r = int(r), but both seem a bit hokey.  Is there 
> something more straight-forward that I'm missing, like fraction(r)?

>>> import math
>>> math.modf(1.5)
(0.5, 1.0)

Christian