def __init__(self, student_id, first_name,last_name,enroll_date): Person.__init__(self, first_name, last_name) self.student_id = student_id self.enroll_date = enroll_date
def __init__(self, professor_id, first_name, last_name, hire_date): Person.__init__(self, first_name, last_name) self.professor_id = professor_id self.hire_date = hire_date