[Python-ideas] Support multiplication for sets

[Greg Ewing]

Nick Coghlan wrote:

> I expect what you actually intended here was:
> 
> cp = product(seta, setb|setc, setd&sete)
> 
> If you actually did want two distinct cartesian products, then the two
> line version is significantly easier to read:
> 
> cp_a = product(setb|setc, setd&sete)
> cp_b = product(seta, cp_a)

This is another area where the comprehension syntax is very
useful. It lets you specify exactly what structure you want
for the results in a very natural and readable way.

-- 
Greg