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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def AgregarPrecioClase(self, clase_tabaco, precio, total_kilos=None, total_fardos=None, **kwargs):
        "Agrego un PrecioClase a la liq."
        precioclase = dict(claseTabaco=clase_tabaco, precio=precio,
                           totalKilos=total_kilos, totalFardos=total_fardos)
        self.solicitud['precioClase'].append(precioclase)
        return True