python 修改xml文档

from xml.etree.ElementTree import parse, Element doc = parse('pred.xml') root = doc.getroot() root <Element 'stop' at 0x100770cb0>

Remove a few elements root.remove(root.find('sri')) root.remove(root.find('cr')) Insert a new element after <nm>...</nm> root.getchildren().index(root.find('nm')) 1 e = Element('spam') e.text = 'This is a test' root.insert(2, e)

Write back to a file doc.write('newpred.xml', xml_declaration=True)