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-rw-r--r--Doc/library/itertools.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 7baa5e1..ac3b761 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -235,6 +235,10 @@ loops that truncate the stream.
yield n
n += step
+ When counting with floating point numbers, better accuracy can sometimes be
+ achieved by substituting multiplicative code such as: ``(start + step * i
+ for i in count())``.
+
.. versionchanged:: 3.1
added *step* argument and allowed non-integer arguments.