python_abc_abstract_base_class_with_required_method.py

1from abc import ABC, abstractmethod
2
3class Foo(ABC):
4    @abstractmethod
5    def fun(self):
6        pass
7
8class Sub(Foo):
9    def fun(self):
10        print("Subclass implementation of fun()")
11
12# Usage
13s = Sub()
14s.fun()