[{'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:xgd_model = xgd_grid_search.best_estimator_\n\ncv_score = cross_val_score(xgd_model, X_train, y_train, cv = 5)\nprint(cv_score)\nprint("Accuracy: %0.2f (+/- %0.2f)" % (cv_score.mean(), cv_score.std() * 2))'}, {'role': 'assistant', 'content': "['modelling']"}]