Baggrisha

import asyncio

from aiogram import Bot, Dispatcher, F
from aiogram.filters.callback_data import CallbackData
from aiogram.fsm.storage.memory import MemoryStorage
from aiogram.filters import Command, BaseFilter
from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton, CallbackQuery, ReplyKeyboardMarkup, \
    KeyboardButtonRequestChat
from aiogram.utils.keyboard import InlineKeyboardBuilder
from aiogram.types import (
    KeyboardButton,
    Message)


TOKEN = ""

bot = Bot(TOKEN)
dp = Dispatcher(storage=MemoryStorage())


@dp.message(F.text.contains("/start"))
async def text_handler(message: Message):
    await message.answer("I'm here", reply_markup=ReplyKeyboardMarkup(keyboard=
        [
            [
                KeyboardButton(text="test1", request_chat=KeyboardButtonRequestChat(
                    request_id=1,
                    user_is_bot=False,
                    chat_is_channel=True,
                    chat_is_forum=False
                )),
                KeyboardButton(text="test2", request_chat=KeyboardButtonRequestChat(
                    request_id=2,
                    user_is_bot=False,
                    chat_is_channel=False,
                    chat_is_forum=False
                )),
            ]
        ]
    ))


@dp.message(F.chat)
async def handle_request_chat(msg: Message):
    chat_info = msg.chat_shared.chat_id
    await bot.send_message(msg.from_user.id, f"Вы выбрали канал с ID: {chat_info}")

async def main():
    await dp.start_polling(bot)

if __name__ == "__main__":
    asyncio.run(main())