(self)
return self.__write_concern
Read only access to the :class:`~pymongo.write_concern.WriteConcern`
        of this instance.

        .. versionchanged:: 3.0
          The :attr:`write_concern` attribute is now read only.
Read only access to the :class:`~pymongo.write_concern.WriteConcern`
        of this instance.
Read only access to the : class : ~pymongo . write_concern . WriteConcern of this instance .
def write_concern(self):
        """Read only access to the :class:`~pymongo.write_concern.WriteConcern`
        of this instance.

        .. versionchanged:: 3.0
          The :attr:`write_concern` attribute is now read only.
        """
        return self.__write_concern
def write_concern ( self ) : return self . __write_concern