SOLID-BirdClass-ISP

BirdClass.py

import abc

class Walkable(abc.ABC):

  @abc.abstractmethod
  def walk(self):
    return NotImplemented

class Flyable(abc.ABC):

  @abc.abstractmethod
  def fly(self):
    return NotImplemented

class FlyableBird(Walkable, Flyable):

  pass

class DisFlyableBird(Walkable):

  pass