All permutations from 2 lists

[Joel Goldstick]

On Wed, Mar 2, 2022 at 5:07 PM Larry Martell <larry.martell at gmail.com> wrote:
>
> On Wed, Mar 2, 2022 at 5:00 PM Cameron Simpson <cs at cskk.id.au> wrote:
> >
> > On 02Mar2022 08:29, Larry Martell <larry.martell at gmail.com> wrote:
> > >On Tue, Mar 1, 2022 at 7:32 PM Rob Cliffe <rob.cliffe at btinternet.com> wrote:
> > >> I think itertools.product is what you need.
> > >> Example program:
> > >>
> > >> import itertools
> > >> opsys = ["Linux","Windows"]
> > >> region = ["us-east-1", "us-east-2"]
> > >> print(list(itertools.product(opsys, region)))
> > >
> > >This does not work if region = []. I wrote in question that either
> > >list could be empty.
> >
> > What do you want to get if a list is empty? You haven't said. My
> > personal expectation would be an empty result.
> >
> > Alternatively, if you expect an empty list to imply some single default
> > the the experession:
> >
> >     the_list or (the_default,)
> >
> > might be of use.
>
> I've solved the issue.
> --
> https://mail.python.org/mailman/listinfo/python-list

Would you be so kind as to show the results of your solution?

-- 
Joel Goldstick