python environment explained code example

Example 1: python virtual environment

python3 -m venv env
python -m virtualenv env #py2

source env/bin/activate

#all this is on same directory

Example 2: python env

python3 -m venv tutorial-env
tutorial-env\Scripts\activate.bat (window)
source tutorial-env/bin/activate (linux)

Example 3: activate environment python

$ source env/bin/activate
(env) $ which python
/Users/michaelherman/python-virtual-environments/env/bin/python