code: def normal_check(name, status, device_type):
      
      status_string = NORMAL_STATE.get(int(status), "unknown")
  
      if status_string == "ok":
          return ok, "{} '{}': {}".format(device_type, name, status_string)
  
      elif status_string == "unknown":
          return unknown, "{} '{}': {}".format(device_type, name, status_string)
  
      return critical, "{} '{}': {}".format(device_type, name, status_string)
docs: if the status is "ok" in the NORMAL_STATE dict, return ok + string
      if the status is not "ok", return critical + string