Install virtualenvwrapper for Python 2.7 and 3.6 simultaneously

Question

How does one install virtualenvwrapper for both Python 2.7 and 3.6 versions? My default Python environment is Python 3.6 and

Answer 1

You need only install virtualenvwrapper once. See the warning about installing on your base Python installation.

Using Homebrew package manager install python2 and python3.

Making a virtual environment is a matter of passing a flag.

# make py3
mkvirtualenv py3 --python=python3

# make py2
mkvirtualenv py2 --python=python2