emdee5.py

import requests
import hashlib
import re

url="http://docker.hackthebox.eu:32413"

r=requests.session()
res=r.get(url)
res1 = re.search("<h3 align='center'>(\w*)</h3>",res.text)

res1 = hashlib.md5(res1.group(1).encode('ascii')).hexdigest()
print("Sending md5 :- {}".format(res1))

data={'hash': res1}
res = r.post(url = url, data = data)