From 9ed5b57fe21fe4c853a18c905071c3314cdd6492 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 22 Jan 2008 20:18:53 +0000
Subject: [PATCH] Give zip() the same guarantee as izip() for left-to-right
 evaluation.

---
 Doc/library/functions.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 227b0fcc548..44eb5d8f82d 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1285,6 +1285,10 @@ available.  They are listed here in alphabetical order.
    sequence argument, it returns a list of 1-tuples. With no arguments, it returns
    an empty list.
 
+   The left-to-right evaluation order of the iterables is guaranteed. This
+   makes possible an idiom for clustering a data series into n-length groups
+   using ``zip(*[iter(s)]*n)``.
+
    .. versionadded:: 2.0
 
    .. versionchanged:: 2.4