Open a terminal and execute following commands: sudo apt install build-essential checkinstall sudo apt install libreadline-gplv2-dev libncursesw5-dev libssl-dev \
sudo apt update sudo apt install python3.9
It included multiple new modules, improved existing modules, and many other features. The Python 3.9 stable version has been released with several improvements and security updates. Python is used as a key language among the top tech companies like Google. It is open-source with a large community. Python is an object-oriented, high-level programming language.