What should be the algorithm for creating a desktop local application for scheduling at the faculty (python)?

Question

Python

In my previous question here, I chose tools for this purpose.
actually, Python, SQLite (or PostgreSQL) and PyQt.
Please, tell me, what should be my actions, at least approximately?
Modeled database.

Answer 1

https://sitecoder.blogspot.ru/p/blog-page_23.html

Answer 2

stackoverflow.com/questions/1660474/pyqt-and-mvc-p...