How to write a chat for a beginner who is learning Python?

Question

Python

Hello everyone! I created a topic and asked for advice (help) and advice on programming languages. I was given valuable advice and links. I did not have time to note and say thank you, since the topic was deleted due to a discussion that arose like.
I decided to learn to program in Python. To start. and according to the advice I want to take a task, solving which I can learn more and learn.
Please tell me:
1) What do you need to write a chat in Python (what libraries, database, maybe some other technologies)?
2) Where can I get an example of a chat (maybe in a book, or video tutorials, articles)?
Only modern, with explanations. Let's say I have a server in the cloud on Azure.
Thank you all in advance! And very grateful!

Answer 1

Here