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This tutorial is about installing and switching between different Python versions on Ubuntu 20.04. Using multiple Python versions on your server is a very good choice especially when you have multiple Python applications and you need to test them one by one.
Python application can run on a different Python version depending on the developer’s choice. It is recommended for the developers or system administrators to use virtual environments for every newly deployed Python application. This is the main purpose of the tutorial, to have multiple Python versions on a single system and have choices before creating the virtual environments or changing the default Python version.
In the next steps, first we are going to install the default Python version in Ubuntu 20.04, and then lower Python versions. Once we install multiple Python versions, we are going to explain the process of switching them. Let’s get to work!
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