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Docs: Clarify the before_and_after() example (GH-28458)

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Raymond Hettinger 2021-09-19 19:52:27 -05:00 • committed by GitHub
parent a6779715c4
commit fcbf9b176b
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2 changed files with 8 additions and 6 deletions
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7
Lib/test/test_itertools.py
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@ -2646,10 +2646,11 @@ True
>>> list(odds)
[1, 3, 5, 7, 9]
>>> all_upper, remainder = before_and_after(str.isupper, 'ABCdEfGhI')
>>> str.join('', all_upper)
>>> it = iter('ABCdEfGhI')
>>> all_upper, remainder = before_and_after(str.isupper, it)
>>> ''.join(all_upper)
'ABC'
>>> str.join('', remainder)
>>> ''.join(remainder)
'dEfGhI'
>>> list(powerset([1,2,3]))