clsses.py

class.py

class Human:
    def __init__(self):
        return "instance"
      
    def sex(self):
        pass

    def age(self):
        pass
    def is_alive(self):
        pass
    def is_parent(self):
        pass
    def is_grandParent(self):
        pass

class Grandparent(Human):
    def __init__(self):
        return self

class Parent(Human, Grandparent):
    def __init__(self):
        return self

class child(Human, Grandparent, Parent):
    def __init__(self):
        return self

class Family(Parent, GrandParent,Child):
   def __init__(grandparent, parent, child):
		pass