from abc import ABC, abstractmethod

class Hands(object):
    pass

class human(ABC):

    def __init__(self):

        self.hand=Hands()

        @property
        def Hands(self):
            pass

class american_hands(Hands):
    pass


#I want to make sure that a class of type human will have a member of type hands which is called hand
class american(human):

    def __init__(self):
        self.hand=american_hands