How to change default Python version on Linux/Fedora 28
https://medium.com/coderlist/how-to-change-default-python-version-on-linux-fedora-28-c22da18bdd6
Following Guido van Rossum’s post on python.org, the life of Python 2.7 is about to end. I believe that there are still some people using this version of the language or it’s set as default on their machines. Just like in my case. After some basic research the solution is not that complicated. In this article I will show you how to change default Python version on Fedora.
Before you process, please be aware of the fact, that a lot of Linux distributions like Ubuntu, Debian or RHEL (Fedora, CentOS) are still largely dependant on Python 2.7 with various applications and commands.