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Re: Re: Experiences/guidance on teaching Python as a first programming language

References (8 earlier) <roy-B8D4E2.19322017122013@news.panix.com> <52b0fb4f$0$29973$c3e8da3$5496439d@news.astraweb.com> <mailman.4317.1387332728.18130.python-list@python.org> <52b15b62$0$29973$c3e8da3$5496439d@news.astraweb.com> <almarsoft.4756682896081081778@news.gmane.org>
Date 2013-12-19 01:55 +1100
Subject Re: Re: Experiences/guidance on teaching Python as a first programming language
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.4357.1387378513.18130.python-list@python.org> (permalink)

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On Wed, Dec 18, 2013 at 11:53 PM, Dave Angel <davea@davea.name> wrote:
> Funny you should say that in the middle of a discussion about lifetime.  In
> C, when you do the -> thing, you're now in a different struct with a
> potentially different lifetime.  If p is a local,  with auto lifetime,  then
> so is p.x
>
> So, although the two are mutually exclusive,  there's valuable information
> hidden in the required choice.

Sure, but you can figure out whether p is a local struct or a local
pointer to some other struct by looking at its declaration. Do you
also need to look at every usage of it? We don't adorn every / with a
marker saying whether we're dividing ints or floats, and that's
something that could be potentially useful (float division of two ints
being what Py3 does). Why adorn pointer usage?

ChrisA

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Experiences/guidance on teaching Python as a first programming language Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-12-09 12:23 +0000
  Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-09 05:54 -0800
  Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-09 08:57 -0800
    Re: Experiences/guidance on teaching Python as a first programming language William Ray Wing <wrw@mac.com> - 2013-12-09 12:55 -0500
    Re: Experiences/guidance on teaching Python as a first programming language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-10 18:25 +1300
      Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-10 16:55 +1100
        Re: Experiences/guidance on teaching Python as a first programming   language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-11 10:38 +1300
      Re: Experiences/guidance on teaching Python as a first programming language Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-12-10 20:35 -0500
        Re: Experiences/guidance on teaching Python as a first programming language Denis McMahon <denismfmcmahon@gmail.com> - 2013-12-11 02:16 +0000
          Re: Experiences/guidance on teaching Python as a first programming language Larry Martell <larry.martell@gmail.com> - 2013-12-11 07:08 -0500
        Re: Experiences/guidance on teaching Python as a first programming language Grant Edwards <invalid@invalid.invalid> - 2013-12-11 15:05 +0000
        Re: Experiences/guidance on teaching Python as a first programming language Rick Johnson <rantingrickjohnson@gmail.com> - 2013-12-16 16:47 -0800
          Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-16 20:06 -0500
            Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-17 01:25 +0000
            Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-17 12:27 +1100
            Re: Experiences/guidance on teaching Python as a first programming language Gene Heskett <gheskett@wdtv.com> - 2013-12-16 20:32 -0500
            Re: Experiences/guidance on teaching Python as a first programming language "Cousin Stanley" <cousinstanley@gmail.com> - 2013-12-17 07:32 -0700
              Re: Experiences/guidance on teaching Python as a first programming language Gene Heskett <gheskett@wdtv.com> - 2013-12-17 12:27 -0500
      Re: Experiences/guidance on teaching Python as a first programming language Neil Cerutti <neilc@norwich.edu> - 2013-12-11 15:46 +0000
  Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.demon.co.uk> - 2013-12-09 23:32 +0000
    Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-09 18:42 -0500
      Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.demon.co.uk> - 2013-12-10 00:00 +0000
      Re: Experiences/guidance on teaching Python as a first programming language Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-12-09 20:56 -0500
  Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-12 21:36 +0100
    Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-13 08:12 +1100
      Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-16 21:32 +0100
        Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.org.uk> - 2013-12-16 23:01 +0000
        Re: Experiences/guidance on teaching Python as a first programming language Ned Batchelder <ned@nedbatchelder.com> - 2013-12-16 19:28 -0500
          Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-16 16:39 -0800
            Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-17 11:44 +1100
              Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-16 17:58 -0800
            Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-17 02:33 +0000
              Re: Experiences/guidance on teaching Python as a first programming language Rick Johnson <rantingrickjohnson@gmail.com> - 2013-12-16 20:41 -0800
              Re: Experiences/guidance on teaching Python as a first programming language Neil Cerutti <neilc@norwich.edu> - 2013-12-17 14:51 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-17 09:54 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-17 15:07 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-17 15:24 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-17 15:35 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Larry Martell <larry.martell@gmail.com> - 2013-12-17 11:21 -0500
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-17 08:56 -0800
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-17 10:03 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 05:20 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Joel Goldstick <joel.goldstick@gmail.com> - 2013-12-17 13:39 -0500
                Re: Experiences/guidance on teaching Python as a first programming language dkcombs@panix.com (David Combs) - 2014-01-29 03:17 +0000
            Re: Experiences/guidance on teaching Python as a first programming language Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-12-17 11:12 +0000
              Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-17 12:18 +0000
              Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-17 16:51 +0100
                Re: Experiences/guidance on teaching Python as a first programming language Grant Edwards <invalid@invalid.invalid> - 2013-12-17 16:59 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Larry Martell <larry.martell@gmail.com> - 2013-12-17 12:18 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-17 17:24 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-17 17:44 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Grant Edwards <invalid@invalid.invalid> - 2013-12-17 19:38 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-17 19:39 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Grant Edwards <invalid@invalid.invalid> - 2013-12-18 18:05 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-18 18:17 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-18 20:49 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-19 02:05 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-19 15:54 +0100
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-18 20:40 -0500
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 20:05 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-18 23:16 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-19 15:26 +1100
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 20:48 -0800
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-19 09:14 -0800
                Re: Experiences/guidance on teaching Python as a first programming language 88888 Dihedral <dihedral88888@gmail.com> - 2013-12-18 22:03 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-19 19:40 +1300
                Re: Experiences/guidance on teaching Python as a first programming language Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-12-17 20:20 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-12-17 17:09 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-17 19:32 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve@pearwood.info> - 2013-12-18 01:33 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 13:11 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve@pearwood.info> - 2013-12-18 08:22 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 19:32 +1100
                Re: Experiences/guidance on teaching Python as a first programming
 language Dave Angel <davea@davea.name> - 2013-12-18 07:53 -0500
                Re: Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-19 01:55 +1100
                Re: Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.org.uk> - 2013-12-19 00:10 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Neil Cerutti <neilc@norwich.edu> - 2013-12-18 15:17 +0000
                Re: Re: Experiences/guidance on teaching Python as a first
 programming language Dave Angel <davea@davea.name> - 2013-12-18 15:52 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-19 19:41 +1300
                Re: Experiences/guidance on teaching Python as a first programming
 language Dave Angel <davea@davea.name> - 2013-12-19 07:06 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Grant Edwards <invalid@invalid.invalid> - 2013-12-18 18:00 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-18 18:07 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-18 20:56 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-19 18:39 +1300
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-19 00:56 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Paul Smith <paul@mad-scientist.net> - 2013-12-17 22:49 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve@pearwood.info> - 2013-12-18 08:18 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 19:51 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-19 16:20 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-20 04:02 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Ethan Furman <ethan@stoneleaf.us> - 2013-12-18 07:23 -0800
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 08:53 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-12-18 19:29 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-19 16:20 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-18 17:15 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-19 17:12 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-20 04:28 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Neil Cerutti <neilc@norwich.edu> - 2013-12-19 18:40 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-20 07:18 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-19 19:38 -0500
                Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.org.uk> - 2013-12-20 00:45 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-20 02:16 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-12-20 18:58 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Ned Batchelder <ned@nedbatchelder.com> - 2013-12-20 21:04 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-27 14:35 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Terry Reedy <tjreedy@udel.edu> - 2013-12-18 17:33 -0500
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-19 17:06 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-20 04:18 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-12-19 00:21 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve@pearwood.info> - 2013-12-18 07:53 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Devin Jeanpierre <jeanpierreda@gmail.com> - 2013-12-17 18:33 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 14:01 +1100
                Re: Experiences/guidance on teaching Python as a first programming language Devin Jeanpierre <jeanpierreda@gmail.com> - 2013-12-17 19:12 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 14:24 +1100
                Re: Experiences/guidance on teaching Python as a first programming language "Rhodri James" <rhodri@wildebst.org.uk> - 2013-12-19 00:49 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-19 11:54 +1100
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 20:29 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-19 04:50 +0000
                Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 21:09 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-19 05:36 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-19 21:31 +0000
                Re: Experiences/guidance on teaching Python as a first programming language Roy Smith <roy@panix.com> - 2013-12-19 19:30 -0500
              Re: Experiences/guidance on teaching Python as a first programming language rusi <rustompmody@gmail.com> - 2013-12-18 01:18 -0800
                Re: Experiences/guidance on teaching Python as a first programming language Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-12-18 10:06 +0000
            Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-18 01:10 +1100
          Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-17 16:22 +0100
            Re: Experiences/guidance on teaching Python as a first programming language Wolfgang Keller <feliphil@gmx.net> - 2013-12-19 16:14 +0100
              Re: Experiences/guidance on teaching Python as a first programming   language Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2013-12-20 09:42 +1300
                Re: Experiences/guidance on teaching Python as a first programming language Chris Angelico <rosuav@gmail.com> - 2013-12-20 07:51 +1100
        Re: Experiences/guidance on teaching Python as a first programming language dkcombs@panix.com (David Combs) - 2014-01-29 03:09 +0000

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