download venv 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: create a virtualenv python3
py -m venv env
python3 -m venv env
python -m virtualenv env #py2
source env/bin/activate
#all this is on same directory
py -m venv env