Python

python
import json
import xmltodict
d = xmltodict.parse("""
   <mydocument has="an attribute">
     <and>
       <many>elements</many>
       <many>more elements</many>
     </and>
     <plus a="complex">
       element as well
     </plus>
   </mydocument>
""")
print(json.dumps(d, indent=4))
xml_res = xmltodict.unparse(d, pretty=True)
print(xml_res)