code: func GetReplicaCountForRCs(replicationControllers []*api.ReplicationController) int {
  	totalReplicaCount := 0
  	for _, rc := range replicationControllers {
  		totalReplicaCount += rc.Spec.Replicas
  	}
  	return totalReplicaCount
  }
docs: // Returns the sum of Replicas of the given replication controllers.