[issue25193] itertools.accumulate should have an optional initializer argument

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


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title: itertools.accumlate should have an optional initializer argument -> itertools.accumulate should have an optional initializer argument

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25193>
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