[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': 'Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:# Utility function to report best scores\ndef report(results, n_top=3):\n    for i in range(1, n_top + 1):\n        candidates = np.flatnonzero(results[\'rank_test_score\'] == i)\n        for candidate in candidates:\n            print("Model with rank: {0}".format(i))\n            print("Mean validation score: {0:.3f} (std: {1:.3f})".format(\n                  results[\'mean_test_score\'][candidate],\n                  results[\'std_test_score\'][candidate]))\n            print("Parameters: {0}".format(results[\'params\'][candidate]))\n            print("")\''}, {'role': 'assistant', 'content': "['modelling']"}]