What is the easiest way to send a message and get a response from Telethon?

Question

Bots

What is the easiest way to send a message and get a response from Telethon?
It is necessary to implement a connection with another bot (context) in the telegram bot
. when contacting the bot, the bot issues a command to contact another bot through the user api and parse the answer
. In this case, you need to contact the getcontact bot. It is necessary that a message is sent by the button and a response is received, which should be transmitted to the one who pressed the button. We need the easiest way to implement this with Telethon

Ya , [01.29.21 00:46]
[phone]

Getcontact, [01.29.21 00:46]
Result for [phone] :
Dasha Mavreshko