[{'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:epoch = 10\nupdater = training.StandardUpdater(train_iter, optimizer, device=gpu)\ntrainer = training.Trainer(updater, (epoch, 'epoch'))\ntrainer.extend(E.Evaluator(test_iter, model, device=gpu))\ntrainer.extend(E.dump_graph('main/loss'))\ntrainer.extend(E.snapshot(), trigger=(epoch, 'epoch'))\ntrainer.extend(E.LogReport())\ntrainer.extend(\nE.PlotReport(['main/loss', 'validation/main/loss'],\n'epoch', file_name='loss.png'))\ntrainer.extend(\nE.PlotReport(['main/accuracy', 'validation/main/accuracy'],\n'epoch', file_name='accuracy.png'))\ntrainer.extend(E.PrintReport(\n['epoch', 'main/loss', 'validation/main/loss',\n'main/accuracy', 'validation/main/accuracy', 'elapsed_time']))"}, {'role': 'assistant', 'content': 'modelling'}]