[{'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:df['Date'] = pd.to_datetime(df['Date'])\ndf['Month'] = df.Date.apply(lambda dt: dt.month)\ndf['Year'] = df.Date.apply(lambda dt: dt.year)\ndf['WeekOfYear'] = df.Date.apply(lambda dt: dt.weekofyear)\ndf['Day'] = df.Date.apply(lambda dt: dt.day)\n\ndf['isMonthEnd'] = df.Date.apply(lambda dt: dt.is_month_end)\ndf['isMonthStart'] = df.Date.apply(lambda dt: dt.is_month_start)\ndf['isQuarterEnd'] = df.Date.apply(lambda dt: dt.is_quarter_end )\ndf['isQuarterStart'] = df.Date.apply(lambda dt: dt.is_quarter_start)\ndf['isYearEnd'] = df.Date.apply(lambda dt: dt.is_year_end)\ndf['isYearStart'] = df.Date.apply(lambda dt: dt.is_year_start)"}, {'role': 'assistant', 'content': "['data_preprocessing']"}]