pyenv

Check version of linux

uname -a

Install prerequisites

Source: https://github.com/pyenv/pyenv/wiki

sudo apt update && sudo apt install make build-essential libssl-dev zlib1g-dev \
libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm \
libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev

Run installer

Source: https://github.com/pyenv/pyenv-installer

curl https://pyenv.run | bash

Update bashrc

Add the following lines to bashrc

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init --path)"
eval "$(pyenv virtualenv-init -)"

List versions available for install

Source: https://realpython.com/intro-to-pyenv/#installing-python-versions-install

Can also be filtered with grep like in the example

pyenv install --list | grep " 3\.[678]"

Install new version

Source: https://github.com/pyenv/pyenv#usage

pyenv install <version>