Bot on aiogram, how to make separate function processing?

Question

Python

https://github.com/KOA1KO/examplebottest.git
@test_aio_kobot Tell me
how to make a separate echo, separate mathematics. So that when you click on the echo, the bot answers only the echo, and not "Wrong". In general, how to make two sections, and so that when moving from one to the other, the functions change.

Answer 1

FSM machines