[{'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:cols_num = [col for col in X_train.columns if X_train[col].dtype in [float, int]]\nncols = len(cols_num) // 4\nfig, axes = plt.subplots(ncols=ncols, nrows=5, figsize=(30,16))\n\ni = 1\nfor j, col in enumerate(cols_num):\n    sns.distplot(X_train[col], bins=10, ax=axes[i-1][j % ncols])\n\n    if j % ncols == (ncols - 1):\n        i += 1\n        \nplt.tight_layout()'}, {'role': 'assistant', 'content': 'result_visualization'}]