add model.fit func, tf2-10-2-mnist.nn.py

Author: 김수완 [Kim

tf2/tf2-10-2-mnist_nn.py

@@ -26,6 +26,7 @@
                  optimizer=tf.keras.optimizers.Adam(lr=learning_rate), metrics=['accuracy'])
 tf.model.summary()
 
+tf.model.fit(x_train, y_train, batch_size=batch_size, epochs=training_epochs)
 
 # predict 10 random hand-writing data
 y_predicted = tf.model.predict(x_test)