10 lines
276 B
Python
10 lines
276 B
Python
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from more_itertools import groupby_transform, take, ilen
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def lookandsay(seq = "1"):
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yield seq
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while True:
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yield (seq := "".join(f"{count}{n}" for n, count in
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groupby_transform(seq, reducefunc = ilen)))
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list(take(5, lookandsay()))
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