diff options
Diffstat (limited to 'Modules/itertoolsmodule.c')
| -rw-r--r-- | Modules/itertoolsmodule.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 2ac5ab2..cc9895a 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -176,8 +176,9 @@ static PyMethodDef groupby_methods[] = { }; PyDoc_STRVAR(groupby_doc, -"groupby(iterable[, keyfunc]) -> create an iterator which returns\n\ -(key, sub-iterator) grouped by each value of key(value).\n"); +"groupby(iterable, key=None) -> make an iterator that returns consecutive\n\ +keys and groups from the iterable. If the key function is not specified or\n\ +is None, the element itself is used for grouping.\n"); static PyTypeObject groupby_type = { PyVarObject_HEAD_INIT(NULL, 0) |