ET.parse(file) code example

Example 1: how to open xml file element tree

import xml.etree.ElementTree as ET

tree = ET.parse('filename.xml') #this gets the file into a tree structure
tree_root = tree.getroot() #this gives us the root element of the file

Example 2: xml.etree.ElementTree.ParseError

Ok this error means something is wrong with your XML file.