code: def parse_html_dict(dictionary, prefix=''):
      
      ret = MultiValueDict()
      regex = re.compile(r'^%s\.(.+)$' % re.escape(prefix))
      for field, value in dictionary.items():
          match = regex.match(field)
          if not match:
              continue
          key = match.groups()[0]
          ret[key] = value
      return ret
docs: Used to support dictionary values in HTML forms.
  
      {
          'profile.username': 'example',
          'profile.email': 'example@example.com',
      }
          -->
      {
          'profile': {
              'username': 'example',
              'email': 'example@example.com'
          }
      }