# saving the filename array as .npy file
np.save('filenames.npy', filenames)

import keras
from keras.utils import to_categorical

# One hot vector representation of labels
y_labels_one_hot = to_categorical(labels)

# saving the y_labels_one_hot array as a .npy file
np.save('y_labels_one_hot.npy', y_labels_one_hot)