[{'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:import time\ndef my_timer(start_time):\nnow_time = time.time()\nelapsed = now_time - start_time\nhours, rem = divmod(elapsed, 3600)\nmins, sec = divmod(rem, 60)\nreturn "{0}:{1}:{2}".format(int(hours), int(mins), int(sec))'}, {'role': 'assistant', 'content': "['data_preprocessing']"}]