Here is a YouTube video featuring Concurrency, Multi-Threading and Multi-Processing in Python, and is part of a growing collection of videos I have found to be useful. The reason is for developing a deeper understanding of and refining your workflow when creating Python applications.
This tutorial, "Concurrency, Multi-Threading and Multi-Processing in Python" is free education you can watch, which will help you deepen your knowledge and be better prepared for IT certification exams, schoolwork, or using Python in a business.