[{'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:from sklearn.model_selection import train_test_split \nfrom sklearn import metrics \nX_train = df_train.drop("count_Log", axis = 1).values \ntarget_label = df_train["count_Log"].values \nX_test = df_test.values \nX_tr, X_vld, y_tr, y_vld = train_test_split(X_train, target_label, test_size = 0.2, random_state = 2000)'}, {'role': 'assistant', 'content': "['data_preprocessing']"}]