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Jun 19th, 2018
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  1. import itertools
  2.  
  3. def strip_last(it, n=1):
  4. it1, it2 = itertools.tee(it)
  5. try:
  6. for i in range(n):
  7. next(it2)
  8. except StopIteration:
  9. return
  10. for (x, _) in zip(it1, it2):
  11. yield x
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