pip/pip3 confusion and keeping up to date

[Jon Ribbens]

On 2023-11-02, Chris Green <cl at isbd.net> wrote:
> I have a couple of systems which used to have python2 as well as
> python3 but as Ubuntu and Debian verions have moved on they have
> finally eliminated all dependencies on python2.
>
> So they now have only python3 and there is no python executable in
> PATH. 
>
> There's still both /usr/bin/pip and /usr/bin/pip3 but they're
> identical so presuably I can now simply use pip and it will be a
> python3 pip.
>
>
> So, going on from this, how do I do the equivalent of "apt update; apt
> upgrade" for my globally installed pip packages?

I'm not sure what that question has to do with everything that preceded
it, but you don't want to install python packages globally using pip.
Either install them with 'apt', or install them in a virtual environment.