public IActionResult Play()
{
Puppy Pikachu = HttpContext.Session.GetObjectFromJson <Puppy>("Pikachu");
Pikachu.Play();
@ViewBag.Pikachu = HttpContext.Session.GetObjectFromJson <Puppy>("Pikachu");
HttpContext.Session.SetObjectAsJson("Pikachu", Pikachu);
return(RedirectToAction("Index"));
}