[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify code snippets into one of the following categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']."}, {'role': 'user', 'content': "Identify the single most appropriate category to which the provided code belongs. Provide your response as a single category label without any additional information, commentary, or personal opinions.\\nPython Code:from tpot import TPOTClassifier\nfrom sklearn.datasets import load_digits\nfrom sklearn.model_selection import train_test_split\ndigits = load_digits()\nX_train, X_test, y_train, y_test = train_test_split(digits.data, digits.target,\ntrain_size=0.75, test_size=0.25)\ntpot = TPOTClassifier(generations=5, population_size=20, verbosity=2)\ntpot.fit(X_train, y_train)\nprint(tpot.score(X_test, y_test))\ntpot.export('tpot_mnist_pipeline.py')"}, {'role': 'assistant', 'content': 'modelling'}]