A crash course to using `update-alternatives` — First, check the current python3 version reference with python3: $ python3 -V
Python 3.6.9 You can have python37 output python 3.7.x (where x is the latest version digit) using update-alternatives. First, install Python 3.7. $ sudo apt-get install python3.7 To make the change, we’ll be using the tool update-alternatives. For…