[issue18844] allow weights in random.choice

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

> A more efficient approach for many use-cases would do the precomputation once, returning some kind of 'distribution' object from which samples can be generated.

I like the idea about adding a family of distribution generators. They should check input parameters and make a precomputation and then generate infinite sequence of specially distributed random numbers.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18844>
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