[{'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:fields = [\'id\',\n\'name\',\n\'amenity\',\n\'building\',\n\'shop\',\n\'phone\',\n\'pos\']\nfor field in fields: #Iterates through basic field values to count non-null occurances of each\nprint(field + \':\', db.Sample.find({field:{"$ne": None}}).count())'}, {'role': 'assistant', 'content': "['data_exploration']"}]