import os
import xml.etree.ElementTree as et

base_path = os.path.dirname(os.path.realpath(__file__)
#print(base_path)

xml_file = os.path.join(base_path, "C:\Users\huque\Desktop\test.xml")

tree = et.parse(xml_file)
root = tree.getroot()

for child in root:
    print(child.tag)

Traceback (most recent call last):
  File ".test.py", line 13, in <module>
    tree = et.parse(xml_file) # takes xml file and saves into tree variable
  File "C:Python37libxmletreeElementTree.py", line 1197, in parse
    tree.parse(source, parser)
  File "C:Python37libxmletreeElementTree.py", line 598, in parse
    self._root = parser._parse_whole(source)
xml.etree.ElementTree.ParseError: mismatched tag: line 33, column 28