Update example: Counter.subtract returns None, not self

2012-12-17 14:01:29 +02:00 · 2012-12-17 14:01:29 +02:00 · 7c42398f3b
parent 2be0edb2c4 f635172c72
commit 7c42398f3b
1 changed files with 1 additions and 0 deletions
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@ -279,6 +279,7 @@ For example::
            >>> c = Counter(a=4, b=2, c=0, d=-2)
            >>> d = Counter(a=1, b=2, c=3, d=4)
            >>> c.subtract(d)
+            >>> c
            Counter({'a': 3, 'b': 0, 'c': -3, 'd': -6})

        .. versionadded:: 3.2