code: def scale(config=None, name=None, replicas=None):
          
  
          rc = K8sReplicationController(config=config, name=name).get()
          rc.desired_replicas = replicas
          rc.update()
          rc._wait_for_desired_replicas()
          return rc
docs: Scales the number of pods in the specified K8sReplicationController to the desired replica count.
  
          :param config: an instance of K8sConfig
  
          :param name: the name of the ReplicationController we want to scale.
  
          :param replicas: the desired number of replicas.
  
          :return: An instance of K8sReplicationController