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  1. import itertools
  2.  
  3. def xfibo():
  4.     """
  5.     a generator for Fibonacci numbers, goes
  6.     to next number in series on each call
  7.     """
  8.     current, previous = 0, 1
  9.     while True:
  10.         yield current
  11.         # use a tuple swap
  12.         current, previous = previous, current + previous
  13.  
  14. # to get selected results of a generator function ...
  15. print("show Fibonacci series 7 through 10:")
  16. for k in itertools.islice(xfibo(), 7, 11):
  17.     print(k)
Success #stdin #stdout 0.08s 10864KB
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Standard input is empty
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show Fibonacci series 7 through 10:
13
21
34
55
https://ideone.com/nj2Tqo
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
public

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