从格式不正确的XML创建格式良好的XML

import xml.etree.ElementTree as ET

def parse_xml(xml_string):
    try:
        root = ET.fromstring(xml_string)
        return root
    except ET.ParseError as e:
        print(f"Error parsing XML: {e}")
        return None

def validate_xml(root, xsd_path):
    try:
        with open(xsd_path) as xsd_file:
            xmlschema_doc = ET.parse(xsd_file)
            xmlschema = ET.XMLSchema(xmlschema_doc)
            return xmlschema.validate(root)
    except ET.ParseError as e:
        print(f"Error validating XML: {e}")
        return False

def fix_xml(root):
    # Add your code here to fix the XML
    pass

def generate_well_formed_xml(root):
    return ET.tostring(root, encoding="utf-8", method="xml").decode("utf-8")

def main():
    xml_string = "<root><element1>value1</element1<element2>value2</element2></root>"
    root = parse_xml(xml_string)
    if root:
        if validate_xml(root, "path/to/xsd/file.xsd"):
            fixed_root = fix_xml(root)
            well_formed_xml = generate_well_formed_xml(fixed_root)
            print(well_formed_xml)
        else:
            print("XML does not validate against XSD")
    else:
        print("XML could not be parsed")

if __name__ == "__main__":
    main()