[Python-Dev] My fork lacks a 3.7 branch - can I create it somehow?

[Tim Peters]

[Nathaniel Smith <njs at pobox.com>]
> ...
> As far as git is concerned, the main repo on github, your fork on
> github, and your local repo are 3 independent repositories, equally
> valid. The relationships between them are purely a matter of
> convention.

Thanks for that!  It instantly cleared up several mysteries for me.
I'm just starting to learn git & github, and am starkly reminded of an
old truth:  there is absolutely nothing "obvious" about source-control
systems, or workflows, before you already know them ;-)