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| author | Frank Dana <ferdnyc@gmail.com> | 2024-06-17 13:19:14 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-17 13:19:14 (GMT) |
| commit | 79e09e60d865b7b3fcde9ccee86a502da82bb2b3 (patch) | |
| tree | 30dab2eae09fd6371fc93fd46fb558474355a571 /Doc | |
| parent | 945a89b48f017d711055da039899eaecc2eb7ddd (diff) | |
| download | cpython-79e09e60d865b7b3fcde9ccee86a502da82bb2b3.zip cpython-79e09e60d865b7b3fcde9ccee86a502da82bb2b3.tar.gz cpython-79e09e60d865b7b3fcde9ccee86a502da82bb2b3.tar.bz2 | |
itertools doc: examples for groupby() and tee() (#120618)
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/itertools.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst index 3dc3f60..1fdd00a 100644 --- a/Doc/library/itertools.rst +++ b/Doc/library/itertools.rst @@ -58,12 +58,12 @@ Iterator Arguments Results :func:`compress` data, selectors (d[0] if s[0]), (d[1] if s[1]), ... ``compress('ABCDEF', [1,0,1,0,1,1]) → A C E F`` :func:`dropwhile` predicate, seq seq[n], seq[n+1], starting when predicate fails ``dropwhile(lambda x: x<5, [1,4,6,3,8]) → 6 3 8`` :func:`filterfalse` predicate, seq elements of seq where predicate(elem) fails ``filterfalse(lambda x: x<5, [1,4,6,3,8]) → 6 8`` -:func:`groupby` iterable[, key] sub-iterators grouped by value of key(v) +:func:`groupby` iterable[, key] sub-iterators grouped by value of key(v) ``groupby(['A','B','ABC'], len) → (1, A B) (3, ABC)`` :func:`islice` seq, [start,] stop [, step] elements from seq[start:stop:step] ``islice('ABCDEFG', 2, None) → C D E F G`` :func:`pairwise` iterable (p[0], p[1]), (p[1], p[2]) ``pairwise('ABCDEFG') → AB BC CD DE EF FG`` :func:`starmap` func, seq func(\*seq[0]), func(\*seq[1]), ... ``starmap(pow, [(2,5), (3,2), (10,3)]) → 32 9 1000`` :func:`takewhile` predicate, seq seq[0], seq[1], until predicate fails ``takewhile(lambda x: x<5, [1,4,6,3,8]) → 1 4`` -:func:`tee` it, n it1, it2, ... itn splits one iterator into n +:func:`tee` it, n it1, it2, ... itn splits one iterator into n ``tee('ABC', 2) → A B C, A B C`` :func:`zip_longest` p, q, ... (p[0], q[0]), (p[1], q[1]), ... ``zip_longest('ABCD', 'xy', fillvalue='-') → Ax By C- D-`` ============================ ============================ ================================================= ============================================================= |