Audibot

import telebot
import sqlite3

# bot
bot = telebot.TeleBot("token")


@bot.message_handler(commands=['add'])
def add(message):
    connect = sqlite3.connect('users.db')
    cursor = connect.cursor()

    cursor.execute("""CREATE TABLE IF NOT EXISTS user_id(
    id INTEGER,
    info TEXT,
    username TEXT
    )""")

    connect.commit()

    # add values in fields
    text = message.text.replace('/add ', '', 1)
    user_id = [message.chat.id, text, message.chat.username]
    cursor.execute("INSERT INTO user_id(id, info, username) VALUES(?, ?, ?);", user_id)
    connect.commit()


@bot.message_handler(commands=['get'])
def get(message):
    connect = sqlite3.connect('users.db')
    cursor = connect.cursor()
    cursor.execute("SELECT info FROM user_id WHERE info='%s'")
    print(cursor.fetchall())

    if cursor.fetchall() is None:
        bot.send_message(message.chat.id, "Вы должны зарегистрироваться с помощью команды /add")
    else:
        bot.send_message(message.text, '//', message.chat.id)
    connect.commit()

@bot.message_handler(commands=['delete'])
def delete(message):
    pass


# polling
bot.polling()