class A:
    def __init__(self, a, b):
        self._a = a
        self.__b = b

    @property
    def super_duper_var(self):
        print(self)
        return self.__b

    @super_duper_var.setter
    def super_duper_var(self, value):
        self.__b = value

    # @super_duper_var.deleter
    # def super_duper_var(self):
    #     pass