import asyncio
import telegram


async def main():
    bot = telegram.Bot("TOKEN")
    async with bot:
        print(await bot.get_me())


if __name__ == '__main__':
    asyncio.run(main())

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="Bot Started.")

if __name__=="__main__":
    
    application= ApplicationBuilder().token("6900324258:AAEMo7fMCqGE816sPd30-Jmsiw1P5jgpKHA").build()

    start_handler= CommandHandler("start", start)
    application.add_handler(start_handler)

    application.run_polling()

File "f:\Codes\Python\Telegram_Bot\main.py", line 15, in <module>
    application= ApplicationBuilder().token(token).build()
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\user\AppData\Local\Programs\Python\Python313\Lib\site-packages\telegram\ext\_applicationbuilder.py", line 312, in build
    updater = Updater(bot=bot, update_queue=update_queue)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\user\AppData\Local\Programs\Python\Python313\Lib\site-packages\telegram\ext\_updater.py", line 128, in __init__
    self.__polling_cleanup_cb: Optional[Callable[[], Coroutine[Any, Any, None]]] = None
    ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Updater' object has no attribute '_Updater__polling_cleanup_cb' and no __dict__ for setting new attributes