@abc.abstractmethod<EOL><INDENT>def set_assessment(self, assessment_id):<DEDENT>
pass<EOL>
Sets the assessment.

        :param assessment_id: the new assessment
        :type assessment_id: ``osid.id.Id``
        :raise: ``InvalidArgument`` -- ``assessment_id`` is invalid
        :raise: ``NoAccess`` -- ``assessment_id`` cannot be modified
        :raise: ``NullArgument`` -- ``assessment_id`` is ``null``

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