[{'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:# columns = len(num_list)/4+1\n\n# # boxplot\n# fig = plt.figure(figsize=(15,20))\n# plt.subplots_adjust(hspace=0.2, wspace=0.8)\n# for i in range(len(num_list)):\n#     ax = fig.add_subplot(columns, 4, i+1)\n#     sns.boxplot(y=full_data[num_list[i]], data=full_data, ax=ax)\n# plt.show()'}, {'role': 'assistant', 'content': 'helper_functions'}]