code: def get_assessment_parts_for_assessment_part(self, assessment_part_id):
          
          # NOT IN SPEC - Implemented from
          # osid.assessment_authoring.AssessmentPartLookupSession.additional_methods
          # NOTE: This implementation currently ignores plenary view
          collection = JSONClientValidated('assessment_authoring',
                                           collection='AssessmentPart',
                                           runtime=self._runtime)
          result = collection.find(
              dict({'assessmentPartId': str(assessment_part_id)},
                   **self._view_filter()))
          return objects.AssessmentPartList(result, runtime=self._runtime)
docs: Gets an ``AssessmentPart`` for the given assessment part.
  
          arg:    assessment_part_id (osid.id.Id): an assessment part ``Id``
          return: (osid.assessment.authoring.AssessmentPartList) - the
                  returned ``AssessmentPart`` list
          raise:  NullArgument - ``assessment_part_id`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*