This is a project for a Clever Programmer's course.
python3 -m venv venv
. venv/bin/activate
pip3 install -r requirements.txt
sqlite3 todo.db <---- creates db and runs sqlite3 terminal
.tables <---- saves db in sqlite3 terminal
.exit <------ closes sqlite3 terminal
python / python3 <---- run python terminal
from app import db <----- import db from our flask app inside python terminal
db.create_all() <---- creates tables
exit() <----- exit from terminal
python app.py <---- run our app