[{'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:project_df = pd.read_csv('CONSOLIDATED_DCB_DATA.csv')\nproject_df = project_df.drop(project_df.columns[[0]],axis=1)\nproject_df = project_df[np.isfinite(project_df['Chg_from_50davg'])]\nproject_df['Is_Dead_Cat'] = project_df['Is_Dead_Cat'].astype('str')\nproject_df.head()\nprint project_df.dtypes"}, {'role': 'assistant', 'content': 'load_data'}]