[{'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:t_seeds_2017 = t_seeds_2017.append(get_round_winners(tourney_slots_2017[tourney_slots_2017.Slot.str.match(r'^[XWYZ]')],\nt_seeds_2017[t_seeds_2017.Seed.str.match(r'.*[ab]$')],\nknown_winners= [teams_dict2['Team_Id'][x] for x in ['USC', 'Mt St Mary\\'s', 'Kansas St','UC Davis'] ])).drop(['Team 1', 'Team 2', 'Probability', 'Submission_Label'], axis=1)"}, {'role': 'assistant', 'content': 'modelling'}]