SW 구조 설계_Python

import abc

class 추상클래스명(metaclass=abc.ABCMeta):

    @abc.abstractmethod
    def 추상메소드(self):
        pass

import abc          # Abstract Base Class


class AbstractClass(metaclass=abc.ABCMeta):
    def __init__(self):
        pass

    @abc.abstractmethod
    def operation(self):
        pass

    def template_method(self):
        self.operation()


class ConcreteClass(AbstractClass):
    def __init__(self):
        pass

    def operation(self):
        print("operation")

# ---------------------------------------------

a = ConcreteClass()
a.template_method()