[{'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:fig, ax = plt.subplots(5, 1, figsize=(15,10))\nfor p in range (5):\n    i = np.random.choice(data[\'Store\'].unique())\n    df[df[\'Store\']== i ].plot(\'Date\', \'Customers\', ax=ax[p])\n    df[df[\'Store\']== i ].plot(\'Date\', \'shift_t30_customer\', ax=ax[p])\n    ax[p] .set_title("Store %d" %i)\n    ax[p].legend(bbox_to_anchor=(1,.5))\nplt.tight_layout()\nplt.show()\''}, {'role': 'assistant', 'content': 'result_visualization'}]