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Practical numbers: Difference between revisions
→{{Header|Python}}: Remove empty set from powerset calculator.
(→{{Header|Python}}: Uses Haskell type signature instead of Python.) |
(→{{Header|Python}}: Remove empty set from powerset calculator.) |
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Line 46:
def powerset(s: List[int]) -> List[Tuple[int, ...]]:
"""powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3) ."""
return chain.from_iterable(combinations(s, r) for r in range(1, len(s)+1))
# %% Practical number
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