class Person(object):
    def __str__(self):
        return 'Person'


class Patient(Person):
    def __str__(self):
        return f'Patient, a specialization of {super().__str__()}'


if __name__ == '__main__':
    example_object: object = object()
    example_person: object = Person()
    example_patient: object = Patient()
    print(example_object)
    print(example_person)
    print(example_patient)