DOC: In `reduce`, refer to `accumulate` (GH-7930)

diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst
index d0e3c7b201c2197b4305a10edecf35f915bdb864..5e278f9fe98f13150e0846db19cc1ffa63c3d223 100644 (file)
--- a/Doc/library/functools.rst
+++ b/Doc/library/functools.rst
@@ -263,6 +263,8 @@ The :mod:`functools` module defines the following functions:
               value = function(value, element)
           return value
 
+   See :func:`itertools.accumulate` for an iterator that yields all intermediate
+   values.
 
 .. decorator:: singledispatch