code: def _get_first_last(details):
      
      if "first_name" in details and "last_name" in details:
          return details["first_name"], details["last_name"]
      elif "first_name" in details:
          lst = details["first_name"].rsplit(" ", 1)
          if len(lst) == 2:
              return lst
          else:
              return lst[0], ""
      elif "last_name" in details:
          return "", details["last_name"]
  
      return "", ""
docs: Gets a user's first and last name from details.