def METHOD_NAME(custom_results, native_results):
    fig, axs = plt.subplots(2, 1)
    ax0 = axs[0]
    ax1 = axs[1]
    pymerror = custom_results['train']['PyMError']
    merror = native_results['train']['merror']
    x = np.arange(0, kRounds, 1)
    ax0.plot(x, pymerror, label='Custom objective')
    ax0.legend()
    ax1.plot(x, merror, label='multi:softmax')
    ax1.legend()
    plt.show()