ООП із Словників та Функцій / Стандартна реалізація

class PersonBase:
    employment = "Unemployed"

    def __init__(self, name, employment=None):
        self.name = name
        if employment is not None:
            self.employment = employment

    def greeting(self):
        print("My name {}, and I am a {}".format(
            self.get_name(),
            self.get_employment()
        ))

    def get_name(self):
        return self.name

    def get_employment(self):
        return self.employment


person_1 = PersonBase("John", "Doctor")
# person_1 = type.__call__(PersonBase, "John", "Doctor")

person_2 = PersonBase("Mathew", "Teacher")
# person_2 = type.__call__(PersonBase, "Mathew", "Teacher")

person_3 = PersonBase("Mathew")
# person_3 = type.__call__(PersonBase, "Mathew")

person_1.greeting()
person_2.greeting()
person_3.greeting()