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37 lines
776 B
37 lines
776 B
2 years ago
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class IterableStack:
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def __init__(self):
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self._lst = [1, 2, 3, 4, 5]
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def __iter__(self):
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return ReverseIterator(self._lst)
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class ReverseIterator:
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def __init__(self, _lst):
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self._lst = _lst
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self.position = len(_lst)
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def __next__(self):
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self.position -= 1
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if self.position < 0:
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raise StopIteration()
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return self._lst[self.position]
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# container = IterableStack()
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# for v in container:
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# print(v)
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container = IterableStack()
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it_container = iter(container) # container.__iter__()
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while True:
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try:
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v = next(it_container) # it_container.__next__()
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# тело фора
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print(v)
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# конец тела фора
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except StopIteration:
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break
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