method chaining or cascading in python

class :
    def name(self, name):
        self.name = name
        return self

    def age(self, age):
        self.age = age
        return self

    def show(self):
        print "My name is", self.name, "and I am", self.age, "years old."


if __name__ == "__main__":
    p = Person()
    p.name("Li Xiang").age(18).show()