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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_assessment_section(self, assessment_section_id):
 """Gets an assessemnts section by ``Id``. arg: assessment_section_id (osid.id.Id):
 ``Id`` of the ``AssessmentSection`` return: (osid.assessment.AssessmentSection) - the assessment section raise: IllegalState - ``has_assessment_begun()`` is ``false`` raise: NotFound - ``assessment_section_id`` is not found raise: NullArgument - ``assessment_section_id`` is ``null`` raise: OperationFailed - unable to complete request raise: PermissionDenied - authorization failure occurred *compliance: mandatory -- This method must be implemented.* """

        return get_section_util(assessment_section_id, runtime=self._runtime, proxy=self._proxy)