In this part we’re going to set up a Postgres database to store the results of our word counts as well as SQLAlchemy, an Object Relational Mapper, and Alembic to handle database migrations. Updates: 02/09/2020: Upgraded to Python version 3.8.1 as well as the latest versions of Psycopg2, Flask-SQLAlchemy, and Flask-Migrate. See below for details. Explicitly install and use Flask-Script due to chang