# plotting female and male side by side
def show_male_and_female():
    female = read_image(train_image_name[0])
    male = read_image(train_image_name[2])
    pair = np.concatenate((female, male), axis=1)
    plt.figure(figsize=(10,5))
    plt.imshow(pair)
    plt.show()

show_male_and_female()