PyEuler

[Arnaud Delobelle]

On Feb 25, 10:52 pm, bearophileH... at lycos.com wrote:
> Arnaud Delobelle:
>
> > In this case why not:
>
> > def xfib(a=1, b=1):
> >     while True:
> >         yield a
> >         a += b
> >         yield b
> >         b += a
>
> That's a bit less easy to understand than my version, for me.
> In my version is easy to see the values of the variables.

I disagree; the generator function has no right to keep a and b to
itself.  a and b cry out to be function parameters.  The user may want
to start a fibonacci sequence with any two initial values.  IMHO one
of the great qualities of Python is that it makes this very easy in
most cases.

> And using a
> longer function name is better.

Up to a certain length :-)

--
Arnaud