Телеграм Бот На Python

 from telegram import Update 
from telegram.ext import Updater, CommandHandler, CallbackContext  
def start(update: Update, context: CallbackContext) -> None:  
    update.message.reply_text('Привет!')  
def main() -> None:  
    # Замени 'YOUR_TOKEN' на токен бота  
    updater = Updater("YOUR_TOKEN")  
    dispatcher = updater.dispatcher  
    dispatcher.add_handler(CommandHandler("start", start))  
    updater.start_polling()  
    updater.idle()  
 
main()