[{'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:PATH_WEEK2=\'/kaggle/input/covid19-global-forecasting-week-2\'\ndf_train = pd.read_csv(f\'{PATH_WEEK2}/train.csv\')\ndf_test = pd.read_csv(f\'{PATH_WEEK2}/test.csv\')\ndf_train.head()\ndf_test.head()\ndf_train.rename(columns={\'Country_Region\':\'Country\'}, inplace=True)\ndf_test.rename(columns={\'Country_Region\':\'Country\'}, inplace=True)\n\ndf_train.rename(columns={\'Province_State\':\'State\'}, inplace=True)\ndf_test.rename(columns={\'Province_State\':\'State\'}, inplace=True)\n\ndf_train[\'Date\'] = pd.to_datetime(df_train[\'Date\'], infer_datetime_format=True)\ndf_test[\'Date\'] = pd.to_datetime(df_test[\'Date\'], infer_datetime_format=True)\n\ndf_train.info()\ndf_test.info()\n\ny1_Train = df_train.iloc[:, -2]\ny1_Train.head()\ny2_Train = df_train.iloc[:, -1]\ny2_Train.head()\n\nEMPTY_VAL = "EMPTY_VAL"\n\ndef fillState(state, country):\n    if state == EMPTY_VAL: return country\n    return state\n\''}, {'role': 'assistant', 'content': "['load_data']"}]