Python - add new elements to xml without a root?

I need to make xml which has structure like this:

<?xml version='1.0' encoding='utf-8'?>
<tag1 atrib1='bla' atrib1='bla' atrib1='bla' atrib1='bla'>
<tag2 atrib = 'something'>
<tag3 atrib = 'something'>
<tag4 atrib = '..'>
<tag5 atrib = 'important'><div><h1>ContentFrom **OldXml.xml** </h1></div>
...

is it possible to create it like this? Since there is no root element defined (every element is the "root"), and I should just create element by element..

Any assistance would help, Thanks!

See below.

Assuming your data is in data

import xml.etree.ElementTree as ET


data = [[1],['x','y'],['k',12,'zz']]

root = ET.Element("root")
for i,entry in enumerate(data):
  ET.SubElement(root,f'tag{i}',attrib={f'p{y}':str(v) for y,v in enumerate(entry)})
ET.dump(root)

output

<?xml version="1.0" encoding="UTF-8"?>
<root>
   <tag0 p0="1" />
   <tag1 p0="x" p1="y" />
   <tag2 p0="k" p1="12" p2="zz" />
</root>