[New-bugs-announce] [issue39094] Add a default to statistics.mean and related functions

[Yoni Lavi]

New submission from Yoni Lavi <yoni at lavi.fm>:

I would like to put forward an argument in favour of a `default` parameter in the statistics.mean function and the related function. 

What motivated me to open this is that my code would more often than not include a check (or try-except) whenever I calculate a mean and add a default/sentinel value, and I felt that there should be a better way.

Please also note that we have a precedent for this in a similar parameter added to min & max in 3.4 (https://bugs.python.org/issue18111)

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components: Library (Lib)
messages: 358653
nosy: Yoni Lavi
priority: normal
severity: normal
status: open
title: Add a default to statistics.mean and related functions
type: enhancement
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39094>
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