Игорь Богачёв

# -*- coding: utf-8 -*-
import telebot
from time import sleep

bot = telebot.TeleBot(token)


@bot.message_handler(commands=['start'])
def send_notification(message):
    msg = bot.send_message(chat_id=message.chat.id, text='START')
    sleep(1)
    msg_id = msg.message_id
    time_s = 15
    for t in range(time_s, 0, -1):
        bot.edit_message_text(chat_id=message.chat.id,  message_id=msg_id, text=f'Wait...{t}  секунд')
        sleep(1)
    bot.edit_message_text(chat_id=message.chat.id, message_id=msg_id, text='END')


if __name__ == "__main__":
    try:
        bot.polling(none_stop=True)
    except Exception as e:
        print(e)

def edit_message_text(self, text, chat_id=None, message_id=None, inline_message_id=None, parse_mode=None, disable_web_page_preview=None, reply_markup=None)

for x in range(1, 16):
    bot.edit_message_text('Ждите {} сек'.format(x), message.chat.id, message.message_id)
    time.sleep(1)