[{'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:similarity_score = 0.7\ndef match(a1, a2):\nreturn SequenceMatcher(None, a1, a2).ratio()\ndef get_id(name):\nif data.empty:\nreturn 0\nsimilar = data[data.apply(lambda x: match(name, x['full_name']) > similarity_score, axis=1)]\nif not similar.empty:\nreturn similar['author_id'].iloc[0]\nelse:\nreturn data['author_id'].max() + 1"}, {'role': 'assistant', 'content': 'data_preprocessing'}]