Guido rethinking removal of cmp from sort method

[Paul Rubin]

Steven D'Aprano <steve+comp.lang.python at pearwood.info> writes:
> I don't know about that. Correctly, efficiently and *quickly* 
> implementing the three-argument version of pow is exactly the sort of 
> thing that should be in the built-ins, or at least the standard library.

There is also math.pow which works slightly differently from built-in
pow, sigh.