[{'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:accuracies = {}\n\nfor i in range(1, 100):\n    knn = KNeighborsClassifier(n_neighbors=i)\n    knn.fit(Xadult, Yadult)\n    scores = cross_val_score(knn, Xadult, Yadult, cv=10)\n    Ypred = knn.predict(XUCITest)\n    accuracy = accuracy_score(YUCITest,Ypred)\n    accuracies[i] = accuracy\n    print('k={}, accuracy={}, CVmean={}'.format(i, accuracy, scores.mean()))\n    "}, {'role': 'assistant', 'content': 'evaluation'}]