[issue18844] allow weights in random.choice

[Antoine Pitrou]

Antoine Pitrou added the comment:

I agree with Serhiy. There is nothing "magic" about generators in Python. Also, the concept of an infinite stream of random numbers (or random whatevers) is perfectly common (/dev/urandom being an obvious example); it is not a notion we are inventing.

By contrast, the two-function approach only makes things clumsier for people since they have to remember to combine them.

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<http://bugs.python.org/issue18844>
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