[{'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:\nlearning_rate_reduction = ReduceLROnPlateau(monitor=\'val_acc\', \n                                            patience=3, \n                                            verbose=1, \n                                            factor=0.5, \n                                            min_lr=0.00001)\ntensorboard = TensorBoard(log_dir = \'./output\')\nmodelcheckpoint = ModelCheckpoint(filepath=\'./optimized_model.h5\', monitor="val_loss", save_best_only=True, mode="min")\ncallback_list = [learning_rate_reduction, tensorboard, modelcheckpoint]\''}, {'role': 'assistant', 'content': "['modelling']"}]