#!/usr/bin/env python3
class Hello:
    def __init__(self, what):
        self.what = what

    def hello(self):
        print("Hello " + self.what + "!")


class Hola(Hello):
    def hello(self):
        print("¡Hola " + self.what + "!")


h = Hello("the world")
h.hello()
h = Hola("el mundo")
h.hello()