public string PickUpItem(string[] args)
{
var characterName = args[0];
var character = party.FirstOrDefault(c => c.Name == characterName);
ExceptionTracker.DoesCharacterExist(character, characterName);
var item = pool.LastOrDefault();
ExceptionTracker.DoesItemExist(item);
pool.Remove(item);
return($"{characterName} picked up {item.GetType().Name}!");
}