[{'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:def split_data(x,y):\nx_train, x_val, y_train, y_val = train_test_split(x, y, test_size=0.20, random_state=3234)\nreturn x_train, x_val, y_train, y_val\ntrain_features, val_features, train_labels, val_labels = split_data(x, y)\nif (debug):\nprint("\\nSplit the data into training/testing:")\nprint("- Training images length", len(train_features),"shape",train_features.shape)\nprint("- Training labels length", len(train_labels),"shape",train_labels.shape)\nprint("- Validation images length", len(val_features),"shape",val_features.shape)\nprint("- Validation labels length", len(val_labels),"shape",val_labels.shape)'}, {'role': 'assistant', 'content': "['data_exploration', 'data_preprocessing']"}]