code: def get_group(id):
      
      acl_url = urljoin(_acl_url(), 'groups/{}'.format(id))
      try:
          r = http.get(acl_url)
          return r.json()
      except DCOSHTTPException as e:
          if e.response.status_code != 400:
              raise
docs: Returns a group from the DCOS Enterprise.  It returns None if none exists.
  
          :param id: group id
          :type id: str
          :return: Group
          :rtype: dict