async def user_id(self) -> str:
        """
        Retrieves the user ID associated with the authenticated account.
        """
        if self._user_id is not None:
            return self._user_id
        response, _ = await self.v11.settings()
        screen_name = response['screen_name']
        self._user_id = (await self.get_user_by_screen_name(screen_name)).id
        return self._user_id

        Retrieves the user ID associated with the authenticated account.
        
twikit/client/client.py