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  1. def orig():
  2.     yield 1
  3.     print("you don't see it if orig() is called via wrapper()")
  4.     yield 2
  5.  
  6. def wrapper():
  7.     for i in orig():
  8.         yield i
  9.         break
  10.  
  11. print(list(wrapper())) # -> [1]
  12. print("the point is wrapper yields one item at a time")
  13. print(list(orig())) # -> [1, 2]
Success #stdin #stdout 0.02s 5852KB
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[1]
the point is wrapper yields one item at a time
you don't see it if orig() is called via wrapper()
[1, 2]
https://ideone.com/Gy4wY
language:
Python 3 (python  3.9.5)
created:
12 years ago
visibility:
secret

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