[{'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:codes = {1: 'One/Two-Family',\n2: 'Multi-Family Walkup',\n3: 'Multi-Family Elevator',\n4: 'Mixed Residential/Commercial',\n5: 'Commercial/Office',\n6: 'Industrial',\n7: 'Transport/Utility',\n8: 'Public Facility',\n9: 'Open/Green Space',\n10: 'Parking Lot',\n11: 'Vacant'}\nland_use_data = pluto['LandUse'][pluto['LandUse'].notnull()].map(lambda x: codes[x]).value_counts()"}, {'role': 'assistant', 'content': 'data_exploration'}]