@utilities.arguments_not_none<EOL><INDENT>@check_effective<EOL>def get_first_assessment_section(self, assessment_taken_id):<DEDENT>
assessment_taken = self._get_assessment_taken(assessment_taken_id)<EOL>return assessment_taken._get_first_assessment_section()<EOL>
Gets the first assessment section in this assesment.

        All assessments have at least one ``AssessmentSection``.

        arg:    assessment_taken_id (osid.id.Id): ``Id`` of the
                ``AssessmentTaken``
        return: (osid.assessment.AssessmentSection) - the first
                assessment section
        raise:  IllegalState - ``has_assessment_begun()`` is ``false``
        raise:  NotFound - ``assessment_taken_id`` is not found
        raise:  NullArgument - ``assessment_taken_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure occurred
        *compliance: mandatory -- This method must be implemented.*