[{'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:out_fn = datadir+'imfit_bestfit_params.txt'\nconfig_fn = datadir+'myconfig.dat'\nconfig = {'X0':[330, 300, 360], 'Y0':[308, 280, 340],\n'PA': 18., 'ell':[0.2,0,1], 'n':0.5, 'I_e':1.0, 'r_e':5}\nresults = hugs.imfit.run(img_fn+'[1]', config_fn, mask_fn, img_fn+'[3]',\nout_fn=out_fn, config=config)\nhugs.imfit.viz.img_mod_res(img_fn, results, figsize=(18,6))"}, {'role': 'assistant', 'content': 'result_visualization'}]