class Foo(object):
    myBar = 42
    @staticmethod
    def foo():
        print("No args!")
    @property
    def bar(*setter):
        if setter:
            print("Called as a setter:", setter)
            self.myBar = setter[0]
        else:
            print("Called as __get__:")
        return self.myBar
    def __setattr__(self, string, value):
        print("set",string,"to",value)
        return object.__setattr__(self,string,value)

let f = Foo()

print(f.bar)
print(f.bar = 'hi')
print(f.bar)