[{'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:no_workingday_2011 = int(df[\'workingday\'][df[\'workingday\'] == 0][df[\'year\'] == 2011].value_counts())\nworkingday_2011 = int(df[\'workingday\'][df[\'workingday\'] == 1][df[\'year\'] == 2011].value_counts())\nno_workingday_2012 = int(df[\'workingday\'][df[\'workingday\'] == 0][df[\'year\'] == 2012].value_counts())\nworkingday_2012 = int(df[\'workingday\'][df[\'workingday\'] == 1][df[\'year\'] == 2012].value_counts())\n\nprint("No working day 2011: {}".format(no_workingday_2011))\nprint("working day 2011: {}".format(workingday_2011))\nprint("No working day 2012: {}".format(no_workingday_2012))\nprint("working day 2012: {}".format(workingday_2012))\nprint(\'----------------\')\ntotal_2011 = no_workingday_2011 + workingday_2011\ntotal_2012 = no_workingday_2012 + workingday_2012\nprint(\'No working day 2011: {:.0f}%\'.format(no_workingday_2011 / total_2011 * 100))\nprint(\'No working day 2012: {:.0f}%\'.format(no_workingday_2012 / total_2012 * 100))\''}, {'role': 'assistant', 'content': 'data_exploration'}]