[{'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:def get_recs(movie_name, M, num):\nimport numpy as np\nreviews = []\nfor title in M.columns:\nif title == movie_name:\ncontinue\ncor = pearson(M[movie_name], M[title])\nif np.isnan(cor):\ncontinue\nelse:\nreviews.append((title, cor))\nreviews.sort(key=lambda tup: tup[1], reverse=True)\nreturn reviews[:num]'}, {'role': 'assistant', 'content': 'data_exploration'}]