[{'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:unique_values_dict = {}\nfor col in test_df.columns:\nif col not in ["ID", "y", "X0", "X1", "X2", "X3", "X4", "X5", "X6", "X8"]:\nunique_value = str(np.sort(test_df[col].unique()).tolist())\ntlist = unique_values_dict.get(unique_value, [])\ntlist.append(col)\nunique_values_dict[unique_value] = tlist[:]\nunique_values_dict[\'[0]\']'}, {'role': 'assistant', 'content': "['data_exploration', 'data_preprocessing']"}]