code: def get_account_config(self, id_or_name):
          
          if id_or_name in self._config:
              return self._config[id_or_name]
          if id_or_name in self._acct_name_to_id:
              return self._config[self._acct_name_to_id[id_or_name]]
          raise RuntimeError('ERROR: Unknown account ID or name')
docs: Return a dictionary of account configuration for the account with the
          specified ID or name.
  
          :param id_or_name: ID or name of account
          :type id_or_name: str
          :return: configuration for specified account
          :rtype: dict