diff -r 4a48450f2505 Doc/library/itertools.rst --- a/Doc/library/itertools.rst Sat Jun 14 20:41:22 2014 -0700 +++ b/Doc/library/itertools.rst Sun Jun 15 15:55:14 2014 +0200 @@ -52,7 +52,7 @@ :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` pred, seq seq[n], seq[n+1], starting when pred fails ``dropwhile(lambda x: x<5, [1,4,6,4,1]) --> 6 4 1`` :func:`filterfalse` pred, seq elements of seq where pred(elem) is false ``filterfalse(lambda x: x%2, range(10)) --> 0 2 4 6 8`` -:func:`groupby` iterable[, keyfunc] sub-iterators grouped by value of keyfunc(v) +:func:`groupby` iterable[, key] sub-iterators grouped by value of key(v) :func:`islice` seq, [start,] stop [, step] elements from seq[start:stop:step] ``islice('ABCDEFG', 2, None) --> C D E F G`` :func:`starmap` func, seq func(\*seq[0]), func(\*seq[1]), ... ``starmap(pow, [(2,5), (3,2), (10,3)]) --> 32 9 1000`` :func:`takewhile` pred, seq seq[0], seq[1], until pred fails ``takewhile(lambda x: x<5, [1,4,6,4,1]) --> 1 4`` diff -r 4a48450f2505 Modules/itertoolsmodule.c --- a/Modules/itertoolsmodule.c Sat Jun 14 20:41:22 2014 -0700 +++ b/Modules/itertoolsmodule.c Sun Jun 15 15:55:14 2014 +0200 @@ -182,7 +182,7 @@ }; PyDoc_STRVAR(groupby_doc, -"groupby(iterable[, keyfunc]) -> create an iterator which returns\n\ +"groupby(iterable[, key]) -> create an iterator which returns\n\ (key, sub-iterator) grouped by each value of key(value).\n"); static PyTypeObject groupby_type = { @@ -4529,7 +4529,7 @@ chain.from_iterable([p, q, ...]) --> p0, p1, ... plast, q0, q1, ... \n\ compress(data, selectors) --> (d[0] if s[0]), (d[1] if s[1]), ...\n\ dropwhile(pred, seq) --> seq[n], seq[n+1], starting when pred fails\n\ -groupby(iterable[, keyfunc]) --> sub-iterators grouped by value of keyfunc(v)\n\ +groupby(iterable[, key]) --> sub-iterators grouped by value of keyfunc(v)\n\ filterfalse(pred, seq) --> elements of seq where pred(elem) is False\n\ islice(seq, [start,] stop [, step]) --> elements from\n\ seq[start:stop:step]\n\