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-rw-r--r--Doc/library/functions.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 227b0fc..44eb5d8 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