Some thougts on cartesian products

[Christoph Zwerschke]

Steven D'Aprano wrote:
> I beg to differ: Python *allows* people to create classes if they're keen
> on the syntax (and I can sympathise with that like), but Python
> *encourages* by example generic tools that operate on as many different
> types as makes sense.

But these generic tools (say the "pow" function) in turn simply use the 
methods defined by the classes.

-- Christoph