[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': 'Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:diff_sq = [ (z-o)**2 for z,o in zip(zero_mean_list, one_mean_list)]\ndf_tmp = pd.DataFrame({\'d\':diff_sq, \'col\':cols_list}).sort_values(\'d\', ascending=False)\nprint("Top diff", df_tmp.col[:2])\nplt.figure(figsize=(22, 6))\nsns.barplot(x="col", y="d", data=df_tmp[2:50])\ncol_diff = df_tmp[df_tmp.d > 350].col'}, {'role': 'assistant', 'content': "['data_exploration']"}]