def read_xml(in_path):
    "''读取并解析xml文件\n       in_path: xml路径\n       return: ElementTree"
    tree = ET.parse(in_path)
    return tree
''读取并解析xml文件
in_path: xml路径
return: ElementTree
def read_xml(in_path):
    "读取并解析xml文件\n       in_path: xml路径\n       return: ElementTree"
    tree = ET.parse(in_path)
    return tree