Cats vs Non-cats using Transfer Learning - Training the Top Layers of the VGG16 model

Use fit method to train the model.

vgg_model.<< your code comes here >>(train_set_x_orig, train_set_y_orig, epochs=10, verbose=1, validation_data=(validation_x, validation_y))

Observe, we are passing the train data and labels, number of epochs, and validation data and labels arguments.