private static boolean login(){
        if (users.size() > 0){
            Prints.printWithColor("YELLOW","Usuario: ");
            String user = rd.next();
            Usuarios buscar = searchUser(user);
            if (buscar != null){
                Prints.printWithColor("YELLOW","Contraseña: ");
                String pass = rd.next();
                if (buscar.getPassword().equals(pass))
                    return true;
            }
            
            
        }else
            Prints.printlnWithColor("RED", "No hay Usuarios creados!");
        return false;
    }