def get_assessment_id(self):
if not self.has_assessment():<EOL><INDENT>raise IllegalState()<EOL><DEDENT>else:<EOL><INDENT>return Id(self._my_map['<STR_LIT>'])<EOL><DEDENT>
Gets the assessment Id associated with this learning objective.

        return: (osid.id.Id) - the assessment Id
        raise:  IllegalState - has_assessment() is false
        compliance: mandatory - This method must be implemented.