[Python-3000] Using *a for packing in lists and other places

[Phillip J. Eby]

At 10:00 AM 3/16/2008 -0500, Guido van Rossum wrote:
>(a) *if* we're going to do this, it should also be done for function
>calls (though not for function defs). I'd like all of these to be
>legal (and their interpretation is obvious):
>
>   f(a, b, *x, k=val)
>   f(a, *x, b, k=val)
>   f(*x, a, b, k=val, **kw=stuff)

What does **kw=stuff do?