12 lines
298 B
Python
12 lines
298 B
Python
# BEGIN ARITPROG_ITERTOOLS
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import itertools
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def aritprog_gen(begin, step, end=None):
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first = type(begin + step)(begin)
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ap_gen = itertools.count(first, step)
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if end is not None:
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ap_gen = itertools.takewhile(lambda n: n < end, ap_gen)
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return ap_gen
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# END ARITPROG_ITERTOOLS
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