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  1. def genny():
  2.     yield 1
  3.     yield 2
  4.     yield 3
  5.  
  6. def middleman(input_gen=None):
  7. 	return genny() if input_gen is None else input_gen
  8.  
  9. if __name__ == '__main__':
  10.     pro = middleman()
  11.     for e in pro:
  12.     	pro = middleman(pro)
  13.     	print e
  14.  
Success #stdin #stdout 0s 9024KB
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https://ideone.com/bfMFJt
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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