[{'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:for fc in fc_list:\nstart_time = time.time()\nprint("Projecting " + fc, end=" | ")\nout_name = out_gdb + "\\\\hail_webmerc" + fc\narcpy.management.Project(in_dataset = fc, out_dataset = out_name,\nout_coor_system = output_spatial_reference, transform_method= None,\nin_coor_system = input_spatial_reference)\nprint("done : " + my_timer(start_time))'}, {'role': 'assistant', 'content': 'data_preprocessing'}]