virtual environments python 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 virtual environment
source env/bin/activate
Example 3: python virtual env
$ virtualenv -p /usr/bin/python2.7 venv
Example 4: python virtual env
$ pip install --user pipenv