[{'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:lasso = Lasso()\nalpha = 1/np.array([.1,.03,.3,1,3,10, 30, 100,300,1000])\nlasso_param = {'max_iter':[3000], 'alpha':alpha}\nrmsle_scorer = metrics.make_scorer(rmsle, greater_is_better=False)\nrandom_lasso = RandomizedSearchCV(lasso,\n                           lasso_param,\n                           scoring = rmsle_scorer,\n                           cv = 10)\nrandom_lasso.fit(X_train, y_train)\ny_pred_lasso = random_lasso.predict(X_test)\ny_pred_lasso_train = random_lasso.predict(X_train)\nprint('Random Lasso Best Params: ', random_lasso.best_params_)\nprint('RMSLE for test: ',rmsle(y_test, y_pred_lasso, True))\nprint('RMSLE for train: ',rmsle(y_train, y_pred_lasso_train, True))"}, {'role': 'assistant', 'content': 'modelling'}]