How can i add multithreading in this example

[WoodyWoodpecker1]

How can i add multithreading in this example

import xml.etree.ElementTree as et
import requests
from bs4 import BeautifulSoup
import threading


iterar = input ('How many domains you want to check: ')

domainlist = []   
try:
   iterar = int(iterar)
except ValueError:
	print('incorrect value')


if iterar <= 0:
	print('Please write a count of domains you want to be cheked')

i=0

while i<iterar:
	i=i+1
	domainCounter = input(f'Enter Domain N{i}:')
	domainlist.append(domainCounter)


while domainlist:
    domain = domainlist.pop(0)
    result = requests.get(f'http://data.alexa.com/data?cli=20&dat=snbamz&url={domain}', stream = True)
    data_string = result.text
    root = et.fromstring(data_string) 

    rank = [item.attrib.get('RANK') for item in root.findall('.//REACH')]
    print(f"\nDomain: \'{domain}\'")
    print(f"Alexa Rank: {rank}\n".replace("[", "").replace("]", ''))

input()