Alter recipe to show how to call izip_longest() with

both a keyword argument and star arguments.

Doc/library/itertools.rst

@@ -647,8 +647,7 @@ which incur interpreter overhead.
    def grouper(n, iterable, fillvalue=None):
        "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
        args = [iter(iterable)] * n
-       kwds = dict(fillvalue=fillvalue)
-       return izip_longest(*args, **kwds)
+       return izip_longest(fillvalue=fillvalue, *args)
 
    def roundrobin(*iterables):
        "roundrobin('ABC', 'D', 'EF') --> A D E B F C"

Lib/test/test_itertools.py

@@ -1236,8 +1236,7 @@ Samuele
 >>> def grouper(n, iterable, fillvalue=None):
 ...     "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
 ...     args = [iter(iterable)] * n
-...     kwds = dict(fillvalue=fillvalue)
-...     return izip_longest(*args, **kwds)
+...     return izip_longest(fillvalue=fillvalue, *args)
 
 >>> def roundrobin(*iterables):
 ...     "roundrobin('ABC', 'D', 'EF') --> A D E B F C"