CREATE TABLE users(
user_id integer,
user_log varchar(256),
UNIQUE (user_id, user_log)
);
@telegram.message_handler(func = lambda message: message.chat.id in authorized)
def echo(message):
telegram.send_message(message.chat.id, 'Hello world - two!')
b"\u041e\u0434\u0435\u0440\u0436\u0430\u043d\u043e".decode('unicode-escape')