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Date: Fri, 14 Sep 2012 08:38:43 +1000
Subject: Re: Python presentations
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:29084

On Fri, Sep 14, 2012 at 8:33 AM, Alexander Blinne <news@blinne.net> wrote:
> On 13.09.2012 21:01, 88888 Dihedral wrote:
>> def powerlist(x, n):
>>     # n is a natural number
>>      result=[]
>>      y=1
>>      for i in xrange(n):
>>         result.append(y)
>>         y*=x
>>      return result # any object in the local function can be returned
>
> def powerlist(x, n):
>     result=[1]
>     for i in xrange(n-1):
>         result.append(result[-1]*x)
>     return result
>
> def powerlist(x,n):
>     if n==1:
>         return [1]
>     p = powerlist(x,n-1)
>     return p + [p[-1]*x]

Eh, much simpler.

def powerlist(x,n):
  return [x*i for i in xrange(n-1)]

But you're responding to a bot there. Rather clever as bots go, though.

ChrisA