import logging

from telegram import Update

from telegram.ext import ApplicationBuilder, ContextTypes, CommandHandler

logging.basicConfig(

    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',

    level=logging.INFO

)

async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):

    await context.bot.send_message(chat_id=update.effective_chat.id, text="I'm a bot, please talk to me!")

if __name__ == '__main__':

    application = ApplicationBuilder().token('토큰번호').build()

    start_handler = CommandHandler('start', start)

    application.add_handler(start_handler)

    application.run_polling()