import telebot
from telebot import InlineKeyboardMarkup, InlineKeyboardButton

bot = telebot.TeleBot('1331182453:AAFJnouzpJeoi5jYKK8EddDFJ-t8ZI8bilc')

keyboardMain = InlineKeyboardMarkup()
keyboardMain.row_width = 1
keyboardMain.add(InlineKeyboardButton("Раздел 1", callback_data="section1"))


keyboardBt = InlineKeyboardMarkup()
keyboardBt.row_width = 1
keyboardBt.add(InlineKeyboardButton("Кнопка 1", callback_data="bt1"))




@bot.message_handler(commands=['start'])
def start(message):
    bot.send_message(message.chat.id, 'Привет очередной.', reply_markup=keyboards.keyboardMain)




@bot.callback_query_handler(func=lambda call: True)
def callback_query(call):
    if call.data == 'section1':
        msg = bot.send_message(call.from_user.id, 'текст', reply_markup=keyboardBt)
        bot.register_next_step_handler(msg, button)
        print(call.data)

def button(call):
    print(call.data)
    if call.data == 'bt1':
        bot.send_message(call.from_user.id, 'какой-то текст')
bot.polling()