public IEnumerable <Animal> Adopt()
    {
        var adoptedAnimals = StoredAnimals.Where(x => x.CleansingStatus == CleansingStatus.Cleansed).ToList();

        StoredAnimals.RemoveAll(x => x.CleansingStatus == CleansingStatus.Cleansed);
        return(adoptedAnimals);
    }
 public void CleanseAnimals()
 {
     StoredAnimals.ForEach(x => x.Cleance());
 }
 public void CastrateAnimals()
 {
     StoredAnimals.ForEach(x => x.Castrate());
 }