@abc.abstractmethod<EOL><INDENT>def get_assessment_part_items(self, assessment_part_id):<DEDENT>
return<EOL>
Gets the list of items mapped to the given ``AssessmentPart``.

        In plenary mode, the returned list contains all known items or
        an error results. Otherwise, the returned list may contain only
        those items that are accessible through this session.

        :param assessment_part_id: ``Id`` of the ``AssessmentPart``
        :type assessment_part_id: ``osid.id.Id``
        :return: list of items
        :rtype: ``osid.assessment.ItemList``
        :raise: ``NotFound`` -- ``assessment_part_id`` not found
        :raise: ``NullArgument`` -- ``assessment_part_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method is must be implemented.*