Pyenv
From charlesreid1
What is it
Installing
Mac OS X
Fortunately, pyenv is available through Homebrew on Mac OS X.
brew install pyenv
Debian
To install pyenv on Debian, use the pyenv-installer script provided by the author of pyenv.
Link: https://github.com/pyenv/pyenv-installer
curl -L https://raw.githubusercontent.com/pyenv/pyenv-installer/master/bin/pyenv-installer | bash
Advanced Topics
Using virtualenv with pyenv
See pyvenv: