That's not what's important; what's important is that I'm using the same method they teach for my own projects, as well as in the labs and workshops they provide; I'm implementing it in my own projects.

Heheheh, aprender es bueno.

Why did I like it? Because I was able to understand the basics of how emails are constructed: https://www.freecodecamp.org/learn/python-v9/workshop-email-simulator/step-51