Why return None?

[Paul Rubin]

Peter Hansen <peter at engcorp.com> writes:
> > instance, I can't say move(Vector([a,b,c]).normalize()), I have to do
> > 	a = Vector([a,b,c])
> > 	a.normalize()
> > 	move(a)
> 
> By the way, the second version is much more readable than the first, 

That's a matter of opinion.  The lines are shorter but there are three
times as many of them.  I think programmers ought to be able to make
their own choices about this.  There are a lot of different styles
that are equally legitimate.