GNU/Linux Ubuntu 20.04 Installing Conda Guide
How to Install Pythn Conda in Ubuntu 20.04 Focal LTS GNU/Linux – Step by step Tutorial.
And Conda for Ubuntu Focal is a Python Package Manager but also an amazing Python Environment Manager.
So with just few Conda Commands you can set up a totally Separate Environment to run that different version of Python, while continuing to run your usual version of Python in your normal Environment.

1. Terminal Getting Started Guide
How to QuickStart with Command Line on Ubuntu GNU/Linux:
First Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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