[{'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:print("Understanding of Test Dataset:\\\n\\\n\\\n")\n\nprint(\'Test Dataset has following states:\\\n\')\nprovince_state = test_dataset[\'Province_State\'].unique()\nprint(province_state)\n\n\nprint(\'\\\n\\\n\\\nTest Dataset has following Country Region:\\\n\')\ncountry_region = test_dataset[\'Country_Region\'].unique()\nprint(country_region)\n\n\nprint(\'\\\n\\\n\\\nTest Dataset has records of following dates:\\\n\')\ndates = test_dataset[\'Date\'].unique()\nprint(dates)\n#convert to mm/dd/yyyy\ntest_dataset[\'Date\'] = pd.to_datetime(test_dataset[\'Date\'])\nprint(\'\\\nTest Dataset has following Date Range:\')\nprint(pd.date_range(start=test_dataset[\'Date\'].min(), end=test_dataset[\'Date\'].max()))\n\n\n\n\n\n\''}, {'role': 'assistant', 'content': 'helper_functions'}]