python xml.dom模块解析xml:
https://www.cnblogs.com/kaituorensheng/p/4493306.html#_label0
pyltp的使用:
https://www.csdn.net/gather_2c/MtjakgzsNTYxLWJsb2cO0O0O.html
https://www.cnblogs.com/kaituorensheng/p/4493306.html#_label0
https://www.csdn.net/gather_2c/MtjakgzsNTYxLWJsb2cO0O0O.html