[{'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:%%time \n\nlr_pipe = Pipeline(\n    steps = [\n        ('scaler', MinMaxScaler()),\n        ('classifier', LogisticRegression(solver='lbfgs', n_jobs=-1))\n    ]\n)\n\nlr_param_grid = {\n    'classifier__C': [1, 10, 100,1000],\n}\n\n\nnp.random.seed(1)\ngrid_search = GridSearchCV(lr_pipe, lr_param_grid, cv=5, refit='True')\ngrid_search.fit(X_train, y_train)\n\nprint(grid_search.best_score_)\nprint(grid_search.best_params_)"}, {'role': 'assistant', 'content': "['modelling']"}]