[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify code snippets into one of the following categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']."}, {'role': 'user', 'content': 'Identify the single most appropriate category to which the provided code belongs. Provide your response as a single category label without any additional information, commentary, or personal opinions.\\nPython Code:with tf.Session() as sess:\nsess.run(init)\nfor epoch_i in range(epochs):\nfor batch_features, batch_labels in train_batches:\ntrain_feed_dict = {\nfeatures: batch_features,\nlabels: batch_labels,\nlearning_rate: learn_rate}\nsess.run(optimizer, feed_dict=train_feed_dict)\nprint_epoch_stats(epoch_i, sess, batch_features, batch_labels)\npredictions = sess.run(\npredict,\nfeed_dict={features: test_features})'}, {'role': 'assistant', 'content': 'prediction'}]