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From: Robert Kern <robert.kern@gmail.com>
Subject: Re: random number
Date: Mon, 26 Mar 2012 10:36:12 +0100
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On 3/26/12 8:50 AM, Grzegorz Staniak wrote:
> On 26.03.2012, Steven D'Aprano<steve+comp.lang.python@pearwood.info>  wroted:
>
>>>> How can we generate a 6 digit random number from a given number ?
>>> what about this?
>>>
>>>>>> given_number=123456
>>>>>> def rand_given_number(x):
>>> ...     s = list(str(x))
>>> ...     random.shuffle(s)
>>> ...     return int(''.join(s))
>>> ...
>>>>>> print (rand_given_number(given_number))
>>> 653421
>>
>>
>> That's not very random. In fact, it is *terrible* as a random number
>> generator.
>
> But isn't it what the OP requested, i.e. "6 digit random number
> *from a given number*"? That is, a random permutation of the set
> of its digits?

I would consider that to be a very odd interpretation of that request. But it 
*is* an extraordinarily vague request. I'm not sure if even the OP knows what he 
wants. I suspect he really wants something like a hash.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco