simple-telegram-bot.py

from telegram.ext import Updater, CommandHandler
import telegram

token = 'User_Token'

updater = Updater(token, use_context=True)
dispatcher = updater.dispatcher


def start(update, context):
    context.bot.send_message(chat_id=update.message.chat_id, text="안녕하세요, 봇입니다.")


start_handler = CommandHandler('start', start)
dispatcher.add_handler(start_handler)

updater.start_polling()