[{'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:fi=pd.Series(rfc.feature_importances_, index=dtrain.columns)\nfn=fi.sort_values(ascending=True)\nfn[-20:].plot(kind='barh', color='r', figsize=(25, 12))\nplt.xlabel('importance', size=15)\nplt.title('Random Forest Importance', size=20)\nplt.tick_params(labelsize=15)"}, {'role': 'assistant', 'content': 'result_visualization'}]