[{'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:plt.figure(figsize=(16,8))\nfor i,country in enumerate(list_countries):\n    Fatal_diff=Fatal_pivot[(Fatal_pivot[country]>0)][country].diff().fillna(0)\n    Fatal_diff=Fatal_diff[Fatal_diff>0]\n    Fatal_diff.plot(color=colors[i],label=country,lw=5)\n    plt.title('Number of daily new Fatalities',fontsize=15)\n    plt.legend(title='country')\nplt.tight_layout()"}, {'role': 'assistant', 'content': 'result_visualization'}]