[Tutor] how to install python3.8 (using virtualenvwrapper)

[Alex Kleider]

My platform is Debian 10 (aka Buster/Stable) with Xfce.
Python 2.7 and 3.7 come preinstalled.
I've been successful in setting up a virtual environment using 
virtualenvwrapper but only with Python 3.7 as the interpreter.
   mkvirtualenv -p python3.7 p37
was successful but
   mkvirtualenv -p python3.8 p38
failed.

Do I need to compile from source as described here[1]
or can I do it using pip?

Suggestions would be most welcome.
Cheers,
Alex

[1] https://tecadmin.net/install-python-3-8-ubuntu/

-- 
Alex Kleider
(sent from my current gizmo)