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Re: Python presentations

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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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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

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Thread

Python presentations andrea crotti <andrea.crotti.0@gmail.com> - 2012-09-13 17:00 +0100
  Re: Python presentations John Gordon <gordon@panix.com> - 2012-09-13 16:06 +0000
  Re: Python presentations mblume <foobar@invalid.invalid> - 2012-09-13 16:26 +0000
    Re: Python presentations 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-13 12:01 -0700
      Re: Python presentations Alexander Blinne <news@blinne.net> - 2012-09-14 00:33 +0200
        Re: Python presentations Chris Angelico <rosuav@gmail.com> - 2012-09-14 08:38 +1000
          Re: Python presentations 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-13 22:57 -0700
          Re: Python presentations 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-13 22:57 -0700
          Re: Python presentations Alexander Blinne <news@blinne.net> - 2012-09-14 13:47 +0200
            Re: Python presentations Chris Angelico <rosuav@gmail.com> - 2012-09-14 22:19 +1000
              Re: Python presentations Alexander Blinne <news@blinne.net> - 2012-09-16 18:13 +0200
                Re: Python presentations Chris Angelico <rosuav@gmail.com> - 2012-09-17 02:19 +1000
                Re: Python presentations Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-16 17:35 +0000
                Re: Python presentations Alexander Blinne <news@blinne.net> - 2012-09-17 10:39 +0200
  Re: Python presentations Miki Tebeka <miki.tebeka@gmail.com> - 2012-09-13 15:58 -0700
    Re: Python presentations Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-09-14 00:15 +0100
  Re: Python presentations Miki Tebeka <miki.tebeka@gmail.com> - 2012-09-13 15:58 -0700

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