python 3 install virtualenv 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 python
pip install virtualenv
cd projectfolder #go to project folder
virtualenv projectname #create the folder projectname
source projectname/bin/activate
Example 3: create virtual environment python 3
python3 -m venv /path/to/new/virtual/environment
Example 4: python virtual environment
source env/bin/activate