Import Element Tree module
import xml.etree.ElementTree as ET
Element() function is used to create XML elements
p=ET.Element('parent')
SubElement() function used to create sub-elements to a give element
c = ET.SubElement(p, 'child1')
dump() function is used to dump xml elements.
ET.dump(p)
# Output will be like this
#<parent><child1 /></parent>
If you want to save to a file create a xml tree with ElementTree() function and to save to a file use write() method
tree = ET.ElementTree(p)
tree.write("output.xml")
Comment() function is used to insert comments in xml file.
comment = ET.Comment('user comment')
p.append(comment) #this comment will be appended to parent element