[{'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 sklearn.learning_curve import validation_curve\nparam_range = [0.001, 0.01, 0.1, 1.0, 10.0, 100.0]\ntrain_scores, test_scores = validation_curve(\nestimator=pipe_lr,\nX=X_train,\ny=y_train,\nparam_name='clf__C',\nparam_range=param_range,\ncv=10)\nplot_validation_curve(param_range, train_scores, test_scores)"}, {'role': 'assistant', 'content': 'result_visualization'}]