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bpo-39094: Add a default to statistics.mean and related functions #17657

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bpo-39094: Add a default to statistics.mean and related functions #17657

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yoniLavi commented Dec 19, 2019 •
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bpo-39094: Add a default to statistics.mean and related functions

This pull request provides an example python-based implementation of a default parameter to the mean, fmean, geometric_mean and harmonic_mean functions in the statistics module.

https://bugs.python.org/issue39094
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Add a default kw-only argument to mean functions
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@yoniLavi yoniLavi changed the title Add a default kw-only argument to mean functions bpo-39094: Add a default to statistics.mean and related functions Dec 19, 2019
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taleinat reviewed Dec 19, 2019
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Using None for the default should certainly be supported. This needs to use a different mechanism to detect whether a default value was provided. For example, a custom sentinel value, e.g. _NO_DEFAULT = object(), would do.
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