class X(object):
    def __init__(self, name):
        self.name = name

    @property
    def one(self):
        print('get {}'.format(self.name))

    @one.setter
    def one(self, value):
        print('set {} to {}'.format(self.name, value))

a = X('a')
b = X('b')
a.one = b.one = 1