from telebot.async_telebot import AsyncTeleBot

bot = AsyncTeleBot("TOKEN")


@bot.message_handler(commands=["start", "help"])
async def send_welcome(message):
    await bot.reply_to(message, "Howdy, how are you doing?")


@bot.message_handler(func=lambda message: True)
async def echo_all(message):
    await bot.reply_to(message, message.text)


import asyncio

asyncio.run(bot.polling(skip_pending=True))  # to skip updates
