[Python-Basic] Class Data Type - 3(Inheritance)

class Parent:
    def can_sing(self):
        print('Sing a song')


class LuckyChild(Parent):
    pass


class UnluckyChlid:
    pass


class LuckyChild2(Parent): 
    def can_dance(self):
        print('Shuffle Dance')



father = Parent()
father.can_sing()

child = LuckyChild()
child.can_sing()

child2 = UnluckyChlid()

print(child.__dir__())
print(child2.__dir__())

child3 = LuckyChild2()
child3.can_dance()
child3.can_sing()

 

실행결과

 

$ py inheritance.py
Sing a song
Sing a song
['__module__', '__doc__', 'can_sing', '__dict__', '__weakref__', '__repr__', '__hash__', '__str__', '__getattribute__', '__setattr__', '__delattr__', '__lt__', '__le__', '__eq__', '__ne__', '__gt__', '__ge__', '__init__', '__new__', '__reduce_ex__', '__reduce__', '__subclasshook__', '__init_subclass__', '__format__', '__sizeof__', '__dir__', '__class__']
['__module__', '__dict__', '__weakref__', '__doc__', '__repr__', '__hash__', '__str__', '__getattribute__', '__setattr__', '__delattr__', '__lt__', '__le__', '__eq__', '__ne__', '__gt__', '__ge__', '__init__', '__new__', '__reduce_ex__', '__reduce__', '__subclasshook__', '__init_subclass__', '__format__', '__sizeof__', '__dir__', '__class__']
Shuffle Dance
Sing a song