code: def get_assessment_taken(self):
          
          # Implemented from template for osid.learning.Activity.get_objective
          if not bool(self._my_map['assessmentTakenId']):
              raise errors.IllegalState('assessment_taken empty')
          mgr = self._get_provider_manager('ASSESSMENT')
          if not mgr.supports_assessment_taken_lookup():
              raise errors.OperationFailed('Assessment does not support AssessmentTaken lookup')
          lookup_session = mgr.get_assessment_taken_lookup_session(proxy=getattr(self, "_proxy", None))
          lookup_session.use_federated_bank_view()
          return lookup_session.get_assessment_taken(self.get_assessment_taken_id())
docs: Gets the ``AssessmentTakeb``.
  
          return: (osid.assessment.AssessmentTaken) - the assessment taken
          raise:  OperationFailed - unable to complete request
          *compliance: mandatory -- This method must be implemented.*