studentinfo_code

import pandas as pd
import re
from lxml import etree as Etr
#import ElementTree
from xml.etree import ElementTree as ET
from xml.parsers import expat
from bs4 import BeautifulSoup
import pandas_read_xml as pdx

with open('studentinfo.xml', 'r') as f:
    file = f.read()
soup = BeautifulSoup(file, 'lxml') ## do NOT use 'xml' parser here unless you want to lose namespaces

enumTags = ['st:name']
for d in [c for c in soup.descendants if c.name]:
    for name in enumTags:
        for i, t in enumerate(d.find_all(name, recursive=False)):
            t.name = f'{t.name}{i}'
            print(soup.prettify)