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| author | Raymond Hettinger <python@rcn.com> | 2016-03-07 02:12:08 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2016-03-07 02:12:08 (GMT) |
| commit | 20b3e72b8df89aedcbaa17c4920da2f670ee1d84 (patch) | |
| tree | 7ce74b04d7487946984342be4f37f15f521fd8cd /Lib/test/test_itertools.py | |
| parent | a2998a63c8951ab8254b96860fe64dcaa215eb1f (diff) | |
| parent | e525ee3b483889313b62b09b4c9103d18dd9cbb7 (diff) | |
| download | cpython-20b3e72b8df89aedcbaa17c4920da2f670ee1d84.zip cpython-20b3e72b8df89aedcbaa17c4920da2f670ee1d84.tar.gz cpython-20b3e72b8df89aedcbaa17c4920da2f670ee1d84.tar.bz2 | |
Merge
Diffstat (limited to 'Lib/test/test_itertools.py')
| -rw-r--r-- | Lib/test/test_itertools.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index fab9b31..5088b54 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -2064,6 +2064,11 @@ Samuele ... "Returns the nth item or a default value" ... return next(islice(iterable, n, None), default) +>>> def all_equal(iterable): +... "Returns True if all the elements are equal to each other" +... g = groupby(iterable) +... return next(g, True) and not next(g, False) + >>> def quantify(iterable, pred=bool): ... "Count how many times the predicate is true" ... return sum(map(pred, iterable)) @@ -2177,6 +2182,9 @@ perform as purported. >>> nth('abcde', 9) is None True +>>> [all_equal(s) for s in ('', 'A', 'AAAA', 'AAAB', 'AAABA')] +[True, True, True, False, False] + >>> quantify(range(99), lambda x: x%2==0) 50 |