How to fix email encoding in Python?

Question

Python

Good day everyone. There is a problem with encodings. Here is the code pastebin.com/2JbitPVR, here is the output pastebin.com/62uiemJR. On Yandex itself, all letters are readable. How to properly process message encoding?
Re- uploaded code pastebin.com/BRBaUifB, output pastebin.com/iPq349sn

Answer 1

try adding:
# -*- coding: utf-8 -*-
to the beginning of the script

Answer 2

The text of the letter must be encoded in latin-1 like this:

response = server.fetch(message_id, ['RFC822'])
messageString = response[0].get('RFC822')
msg = email.message_from_string(messageString.encode('latin1'))