accuracy = history.history['accuracy']
val_accuracy = history.history['val_accuracy']

loss = history.history['loss']
val_loss = history.history['val_loss']

epochs = range(len(accuracy))

plt.plot(epochs, accuracy)
plt.plot(epochs, val_accuracy)
plt.title('Training and validation accuracy')

plt.figure()

plt.plot(epochs, loss)
plt.plot(epochs, val_loss)
plt.title('Training and validation loss')

Text(0.5, 1.0, 'Training and validation loss')