报错 TypeError: 'dict_keys' object is not subscriptable

报错TypeError: 'dict_keys' object is not subscriptable 原因是python3中keys不允许切片，先转列表再切片就好了

解决方法把

lookup_key = item.attrib.keys()[0]

转换为

lookup_key = list(item.attrib.keys())[0]