text: class countdown_iterator:
      def __init__(self, count: int):
          self.count = count
  
      def __iter__(self):
          return self
  
      def __next__(self):
          if self.count < 0:
              raise StopIteration()
  
          temp = self.count
          self.count -= 1
          return temp
  
  
  iterator = countdown_iterator(10)
  for item in iterator:
      print(item, end=" ")