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Re: Python presentations

Newsgroups comp.lang.python
Date 2012-09-13 22:57 -0700
References <mailman.617.1347552022.27098.python-list@python.org> <k2t1f9$4jp$1@news.albasani.net> <06a1a81b-246b-4e7b-ba34-4701f46889c8@googlegroups.com> <50525f48$0$6573$9b4e6d93@newsspool3.arcor-online.net> <mailman.646.1347575926.27098.python-list@python.org>
Subject Re: Python presentations
From 88888 Dihedral <dihedral88888@googlemail.com>
Message-ID <mailman.674.1347602283.27098.python-list@python.org> (permalink)

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Chris Angelico於 2012年9月14日星期五UTC+8上午6時39分25秒寫道：
> 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

I do not object the list comprehension in concept. 
But I have to convert python code to cython from time to time.

Well, this imposes some coding style definitely.

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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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