from pyfcm import FCMNotificationpush_service = FCMNotification(api_key="<api-key>")registration_id = "<device registration_id>"message_title = "Uber update"message_body = "Hi john, your customized news for today is ready"result = push_service.notify_single_device(registration_id=registration_id, message_title=message_title, message_body=message_body)print result我正在使用 Pyfcm 進(jìn)行推送通知，我想獲取設(shè)備注冊(cè) ID。