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  1. from itertools import *
  2.  
  3. def powerset(iterable):
  4.     "powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)"
  5.     s = list(iterable)
  6.     return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
  7.  
  8. result = powerset({1, 2, 3})
  9. print(list(result))
Success #stdin #stdout 0.1s 10104KB
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[(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)]
https://ideone.com/mp2rM0
language:
Python 3 (python  3.9.5)
created:
9 years ago
visibility:
public

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