[{'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:\n\nfrom sklearn.linear_model import Lasso\nfrom sklearn.linear_model import Ridge\n\nfrom sklearn import metrics\n\ndef check_rmse(X, Y, alpha):\n    RMSE_lasso = []\n    RMSE_ridge = []\n\n    for i in alpha:\n        lasso = Lasso(alpha=i)\n        lasso.fit(X, Y)\n\n        ridge = Ridge(alpha=i)\n        ridge.fit(X, Y)\n\n        RMSE_lasso.append(metrics.mean_squared_error(Y, lasso.predict(X)))\n        RMSE_ridge.append(metrics.mean_squared_error(Y, ridge.predict(X)))\n        \n    \n    return (RMSE_lasso, RMSE_ridge)\n\n'}, {'role': 'assistant', 'content': 'helper_functions'}]