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Date: Mon, 20 Jun 2011 16:30:52 +0200
Subject: Re: How to iterate on a changing dictionary
From: Florencio Cano <florencio.cano@gmail.com>
To: TheSaint <nobody@nowhere.net.no>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:8015

> To make an example: imaging Bingo.Shuffle the numbers, each number sorted
> should be removed from the container, how would it implemented?

The structure seems a set -> unordered collection of unique elements.

You can select a random element from the set with
random.sample(container, num_of_elems)

And then remove the elem from the set with remove.