[{'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:yemen_data.shape\nprob_cols = ['Q31.Choice1','Q31.Choice2','Q31.Choice3','Q31.Choice4','Q31.Choice5',\n'Q32.Choice1','Q32.Choice2','Q32.Choice3','Q32.Choice4','Q32.Choice5','Q32.Choice6']\nfor element in prob_cols:\ndel yemen_data[str(element)]"}, {'role': 'assistant', 'content': "['data_exploration', 'data_preprocessing']"}]