Pyenv


 * https://github.com/pyenv/pyenv ,

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

https://gist.github.com/softwaredoug/a871647f53a0810c55ac 27 stars links to http://opencafe.readthedocs.io/en/latest/getting_started/pyenv/

https://gist.github.com/jaydenkieran/75b2bbc32b5b70c4fdfb161ecdb6daa2 Debian Jessie does not come with the correct Python version out of the box, and instead comes with Python 2. To be able to install Python 3(.5), we have a few options. We could build and install from source, but as per Debian's website, we shouldn't do this. Instead, we will use pyenv, a tool that allows users to switch Python versions easily without breaking their system. seven stars.

https://amaral.northwestern.edu/resources/guides/pyenv-tutorial

https://pypi.python.org/pypi/pyenv/ install from github and not pip

https://anil.io/blog/python/pyenv/using-pyenv-to-install-multiple-python-versions-tox/

https://tutorials.technology/tutorials/14-how-to-switch-between-multiple-python-interpreters.html