[{'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:#Loading data\ndf_train_raw = pd.read_csv('../input/train_users_2.csv')\ndf_test = pd.read_csv('../input/test_users.csv')\nlabels = df_train_raw['country_destination'].values\ndf_train = df_train_raw.drop(['country_destination'], axis=1)\nid_test = df_test['id']\npiv_train = df_train.shape[0]"}, {'role': 'assistant', 'content': 'load_data'}]