[{'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:import numpy as np\nseen = {\n"Star Wars: Episode I  The Phantom Menace": True,\n"Star Wars: Episode II  Attack of the Clones": True,\n"Star Wars: Episode III  Revenge of the Sith": True,\n"Star Wars: Episode IV  A New Hope": True,\n"Star Wars: Episode V The Empire Strikes Back": True,\n"Star Wars: Episode VI Return of the Jedi": True,\nnp.nan: False\n}\nfor col in star_wars.columns[3:9]:\nstar_wars[col] = star_wars[col].map(seen)\nstar_wars.head()'}, {'role': 'assistant', 'content': "['helper_functions', 'data_exploration', 'data_preprocessing']"}]