PyEnv

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cat << EXE | sudo bash
apt-get update;echo
apt list -a --upgradable
apt-get install -y build-essential libssl-dev libffi-dev libgmp3-dev libpq-dev
EXE

curl https://pyenv.run | bash

cat <<< '
# pyenv config
export PYENV_ROOT="${HOME}/.pyenv"
[[ -d ${PYENV_ROOT}/bin ]] && export PATH="${PYENV_ROOT}/bin:${PATH}"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"'| tee -a ~/.bashrc >/dev/null

(cd ~/.pyenv && src/configure && make -C src)

Playground

pyenv install -list-all
pyenv install 3.10.14
pyenv rehash
pyenv global system 3.10.14
pyenv global 3.10.14
pyenv global
pyenv shell 3.10.14
pyenv shell system
python -V

cat ./.python-version
pyenv which python
pyenv which pip
pyenv virtualenv 3.10.14 Powerline
pyenv activate Powerline
pyenv deactivate
ls -lah ~/.pyenv/versions/3.10.14/envs/
ls -lah ~/.pyenv/versions/Powerline
ls -lah ~/.pyenv/versions

pyenv virtualenvs
pyenv versions
pyenv commands
(cd ~/.pyenv && src/configure && make -C src)
ls -lah ~/.pyenv/libexec/pyenv-realpath.dylib 
ls -alh ~/.pyenv/src/realpath.{c,o}

References