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prophile/gist:207b5be7204702b3eea4

Created August 18, 2014 12:23
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gistfile1.py
import itertools
def tail(seq):
return itertools.islice(seq, 1, None)
def fibs():
yield 0
yield 1
yield from (x + y for x, y in zip(fibs(), tail(fibs())))
print(list(itertools.islice(fibs(), 10)))
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