# 如果不是训练过程,则直接返回预测结果ifnotis_training:returnpredictions,None,None# 计算损失loss=tf.losses.mean_squared_error(labels=y,predictions=predictions)# 定义训练步骤train_op=tf.contrib.layers.optimize_loss(loss,tf.train.get_global_step(),optimizer='Adagrad',learning_rate=0.1)# 返回预测结果...