menu_bot.py

import requests
from bottle import (
    run, post, response, request as bottle_request
)

BOT_URL = 'https://api.telegram.org/bot744346140:AAFIcmj4UccX8Ci-zOkkD_s_JdxpY9F3a-Y/' # <--- add your telegram token here; it should be like https://api.telegram.org/bot12345678:SOMErAn2dom/


def get_chat_id(data):
    """
    Method to extract chat id from telegram request.
    """
    chat_id = data['message']['chat']['id']

    return chat_id

def get_message(data):
    """
    Method to extract message id from telegram request.
    """
    message_text = data['message']['text']

    return message_text

def send_message(prepared_data):
    """
    Prepared data should be json which includes at least `chat_id` and `text`
    """
    message_url = BOT_URL + 'sendMessage'
    requests.post(message_url, json=prepared_data)  # don't forget to make import requests lib

def change_text_message(text):
    """
    To enable turning our message inside out
    """
    return text[::-1]

def prepare_data_for_answer(data):
    answer = change_text_message(get_message(data))

    json_data = {
        "chat_id": get_chat_id(data),
        "text": answer,
    }

    return json_data

@post('/')
def main():
    data = bottle_request.json

    answer_data = prepare_data_for_answer(data)
    send_message(answer_data)  # <--- function for sending answer

    return response  # status 200 OK by default

if __name__ == '__main__':
    run(host='localhost', port=8080, debug=True)