政绩，不只由冰冷的数字所定义，“人民是否真正得到了实惠，人民生活是否真正得到了改善，人民权益是否真正得到了保障”是检验政绩最关键的标准——
def close(self) - None:
，更多细节参见Safew下载
A 38-year-old man has been arrested after the statue of Winston Churchill outside the Houses of Parliament was defaced with graffiti calling the former prime minister a “Zionist war criminal”.
// 测试用例（可直接运行验证）