# empezando con git #
class Imagen():
    def tamarindo(self):
        print("1, 2 y 3 ... tamarindo")
    def escala_grises(self):
        pass
    def binarizacion(self):
        pass

class Sonido():
    def reproducir(self):
        print("reproduciendo...")
    def volumen(self):
        pass
    def fourier(self):
        pass
class Carrera():
    def aprobatorios(self):
        pass
    def reprobatorios(self):
        pass
