How parse XML file Dataset using python

Parse XML file and Store data in CSV file for machine learning Algorithms.

import xml.etree.ElementTree as ET
import os
import csv
path = 'G:\salman'
with open('names.csv', 'a') as csvfile:
    fieldnames = ['pair_id', 'e1', 'e2', 'Sentance']
    writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
    for filename in os.listdir(path):
        if not filename.endswith('.xml'): continue
        fullname = os.path.join(path, filename)
        tree = ET.parse(fullname)
        lst = tree.findall('sentence')
        for i in lst:
            i_ = i.findall('pair')
            for elem in i_:
                if elem.attrib['ddi'] == 'true':
                    writer.writerow({'pair_id': elem.attrib['id'], 'e1': elem.attrib['e1'], 'e2': elem.attrib['e2'], 'Sentance': i.attrib["text"]})