To create a new Virtual Environment (venv) run the following in the root folder of your project
'''
% python3 -m venv venv
'''

To activate the venv
'''
% source venv/bin/activate
'''

Your terminal should then look like this
'''
% (venv) jonas@bendorama %
'''

If it doesn't make sure you run the source command before working on your project.

To deactivate the venv just run
'''
% deactivate
'''