learn and experiment with python, it’s libraries, and packages

add test_*.py file to tests/unit directory with code to test, learn, experiment with language, library, package, etc.

# clone and cd into this repo

# activate venv
pipenv shell

# install deps (e.g. nodemon)
npm install

# run tests
npm run test

# run tests and watch for changes to re-run
npm run test:watch