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bpo-36018: Make "seed" into a keyword only argument for NormalDist.samples() #12921

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Merged
rhettinger merged 1 commit into from
Apr 23, 2019
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bpo-36018: Make "seed" into a keyword only argument for NormalDist.samples() #12921

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2 changes: 1 addition & 1 deletion Doc/library/statistics.rst
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Expand Up @@ -607,7 +607,7 @@ of applications in statistics.
:exc:`StatisticsError` because it takes at least one point to estimate
a central value and at least two points to estimate dispersion.

.. method:: NormalDist.samples(n, seed=None)
.. method:: NormalDist.samples(n, *, seed=None)

Generates *n* random samples for a given mean and standard deviation.
Returns a :class:`list` of :class:`float` values.
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2 changes: 1 addition & 1 deletion Lib/statistics.py
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Expand Up @@ -796,7 +796,7 @@ def from_samples(cls, data):
xbar = fmean(data)
return cls(xbar, stdev(data, xbar))

def samples(self, n, seed=None):
def samples(self, n, *, seed=None):
'Generate *n* samples for a given mean and standard deviation.'
gauss = random.gauss if seed is None else random.Random(seed).gauss
mu, sigma = self.mu, self.sigma
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