38 lines
762 B
Python
38 lines
762 B
Python
class myrange:
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def __init__(self, start, stop = None, step = 1):
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if stop == None:
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self._start = 0
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self._stop = start
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else:
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self._start = start
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self._stop = stop
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self._step = step
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def __iter__(self):
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return myrange_iterator(self)
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class myrange_iterator:
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def __init__(self, mr):
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self._mr = mr
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self._i = mr._start
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def __iter__(self):
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return self
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def __next__(self):
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if self._i >= self._mr._stop:
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raise StopIteration
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self._i += self._mr._step
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return self._i - self._mr._step
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for i in myrange(10):
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print(i, end = ' ')
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print()
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for i in myrange(1, 10, 2):
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print(i, end = ' ')
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print()
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