[{'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:b"#   ,    ,   \\ncomp_sales_cust = pd.DataFrame()\\n\\ncomp_sales_cust[\'Customers\'] = average_storetype[\'Customers\']\\ncomp_sales_cust[\'Sales\']     = average_storetype[\'Sales\']\\ncomp_sales_cust[\'Comp\']      = average_storetype[\'CompetitionDistance\']\\ncorr_matrix = comp_sales_cust.corr()\\n\\nplt.subplots(figsize=(13, 9))\\nsns.heatmap(corr_matrix,annot=True)"'}, {'role': 'assistant', 'content': 'result_visualization'}]