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23 lines
420 B
23 lines
420 B
class Iterator:
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def __init__(self, origin_list):
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self._ref = origin_list
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self.n = -1
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def __next__(self):
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if self.n < len(self._ref) - 1:
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self.n += 1
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return self._ref[self.n]
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raise StopIteration()
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class A:
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def __init__(self):
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self.a = [1, 2, 3, 4]
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def __iter__(self):
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return Iterator(self.a)
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a = A()
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for el in a:
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print(el)
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