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Groups > comp.lang.python > #109551

Re: I'm wrong or Will we fix the ducks limp?

From Antoon Pardon <antoon.pardon@rece.vub.ac.be>
Newsgroups comp.lang.python
Subject Re: I'm wrong or Will we fix the ducks limp?
Date 2016-06-06 11:23 +0200
Message-ID <mailman.29.1465205097.2306.python-list@python.org> (permalink)
References (6 earlier) <5753c89b$0$1616$c3e8da3$5496439d@news.astraweb.com> <1465148542.2670061.628500777.62F1EFE1@webmail.messagingengine.com> <mailman.12.1465148550.2306.python-list@python.org> <5754f36b$0$1619$c3e8da3$5496439d@news.astraweb.com> <57554104.7030605@rece.vub.ac.be>

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Op 06-06-16 om 05:52 schreef Steven D'Aprano:
> On Mon, 6 Jun 2016 03:42 am, Random832 wrote:
>
>> On Sun, Jun 5, 2016, at 02:37, Steven D'Aprano wrote:
>>> No they don't. You are confusing the implementation with the programming
>>> model.
>>>
>>> Following the assignment:
>>>
>>> x = 99
>>>
>>> if you print(x), do you see something like "reference 0x12345"? No.
>>>
>>> Do you have to dereference that reference to get the value of x? No.
>>>
>>> At the Python level, the value of x is 99, not some invisible,
>>> untouchable reference to 99.
>> Sure, but that is the value of the object referenced by x, it is not a
>> property of x itself.
> You need to be clear about what you are referring to.
>
> x itself is the object 99. When we say "x + 1", we expect to get 100. x is
> not some reference to 99, it is 99, just like Barrack Obama is not a
> reference to the President of the United States, he is the POTUS.

x is not the object 99. x is a variable that refers to an object that
has the value 99. That python starts looking for that object and
uses its value when your do arithmatics doesn't contradict that variables
refer to objects.

A reference is not pointer. When you use a reference parameter in Pascal,
it behave like an ordinary parameter within the procedure block, you don't
have to treat it like a pointer.

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Thread

I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 07:20 -0700
  Re: I'm wrong or Will we fix the ducks limp? Paul Rudin <paul.nospam@rudin.co.uk> - 2016-06-03 15:34 +0100
    Re: I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 08:04 -0700
      Re: I'm wrong or Will we fix the ducks limp? Ian Kelly <ian.g.kelly@gmail.com> - 2016-06-03 09:35 -0600
        Re: I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 08:50 -0700
          Re: I'm wrong or Will we fix the ducks limp? Michael Selik <michael.selik@gmail.com> - 2016-06-03 16:04 +0000
            Re: I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 16:06 -0700
              Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-04 12:31 +1000
                Re: I'm wrong or Will we fix the ducks limp? Christopher Reimer <christopher_reimer@icloud.com> - 2016-06-03 19:50 -0700
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-04 19:12 +1000
      Re: I'm wrong or Will we fix the ducks limp? Matt Wheeler <m@funkyhat.org> - 2016-06-03 15:54 +0000
        Re: I'm wrong or Will we fix the ducks limp? Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-04 20:17 -0700
          Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-05 16:37 +1000
            Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-05 11:01 +0300
              Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-05 13:53 -0400
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-05 22:20 +0300
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-05 17:16 -0400
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-06 11:13 +0300
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-06 13:08 +1200
                Re: I'm wrong or Will we fix the ducks limp? Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-05 18:28 -0700
            Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-05 13:42 -0400
              Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-05 22:38 +0300
              Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-06 13:52 +1000
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-06 00:08 -0400
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-07 01:42 +1000
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-07 17:42 +1200
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-06-07 20:18 +1000
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-07 14:32 +0200
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-08 02:03 +1000
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-08 10:08 +0200
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-07 11:33 -0400
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-08 09:53 +0200
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-06-08 18:47 +1000
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-08 11:41 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-08 11:33 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-08 13:01 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-08 13:34 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-08 16:18 +0200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-08 19:37 +0300
                Re: I'm wrong or Will we fix the ducks limp? Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-08 19:49 -0700
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 09:30 +0200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 12:19 +0300
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 12:19 +0200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 16:13 +0300
                Re: I'm wrong or Will we fix the ducks limp? lists@juliensalort.org (Julien Salort) - 2016-06-09 13:46 +0200
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 14:35 +0200
                Re: I'm wrong or Will we fix the ducks limp? Paul Rudin <paul.nospam@rudin.co.uk> - 2016-06-09 11:00 +0100
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 15:56 +0300
                Re: I'm wrong or Will we fix the ducks limp? Paul Rudin <paul.nospam@rudin.co.uk> - 2016-06-09 15:09 +0100
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 18:14 +0300
                Re: I'm wrong or Will we fix the ducks limp? Paul Rudin <paul.nospam@rudin.co.uk> - 2016-06-09 17:22 +0100
                Re: I'm wrong or Will we fix the ducks limp? Paul Rudin <paul.nospam@rudin.co.uk> - 2016-06-09 17:48 +0100
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 22:35 +0300
                Re: I'm wrong or Will we fix the ducks limp? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-06-10 08:31 +0300
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-09 14:36 -0400
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-08 18:29 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 09:50 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 10:10 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 11:55 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 11:48 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 13:08 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 13:25 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 14:48 +0200
                Re: I'm wrong or Will we fix the ducks limp? Rustom Mody <rustompmody@gmail.com> - 2016-06-08 05:36 -0700
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-06-09 17:36 +1000
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 11:46 +0200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-09 13:03 +0300
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 11:42 +0100
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 11:53 +0100
                Re: I'm wrong or Will we fix the ducks limp? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-06-09 13:56 +0300
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 13:19 +0200
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-09 13:17 +0100
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-09 14:59 +0200
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-06 18:37 +1200
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-07 02:19 +1000
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-06 12:57 -0400
                Re: I'm wrong or Will we fix the ducks limp? Steven D'Aprano <steve@pearwood.info> - 2016-06-07 04:59 +1000
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-06 17:13 -0400
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-07 00:47 +0300
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-07 19:03 +1200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-07 10:56 +0300
                Re: I'm wrong or Will we fix the ducks limp? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-06-07 11:41 +0300
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-07 11:49 +0100
                Re: I'm wrong or Will we fix the ducks limp? Random832 <random832@fastmail.com> - 2016-06-07 11:14 -0400
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-08 17:59 +1200
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-07 18:33 +1200
                Re: I'm wrong or Will we fix the ducks limp? Chris Angelico <rosuav@gmail.com> - 2016-06-07 16:55 +1000
                Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-06 22:55 +0100
                Re: I'm wrong or Will we fix the ducks limp? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-06-07 18:20 +1200
                Re: I'm wrong or Will we fix the ducks limp? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-06-06 11:23 +0200
                Re: I'm wrong or Will we fix the ducks limp? Marko Rauhamaa <marko@pacujo.net> - 2016-06-06 13:10 +0300
                Re: I'm wrong or Will we fix the ducks limp? Chris Angelico <rosuav@gmail.com> - 2016-06-06 21:57 +1000
            Re: I'm wrong or Will we fix the ducks limp? BartC <bc@freeuk.com> - 2016-06-06 13:35 +0100
          Re: I'm wrong or Will we fix the ducks limp? Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-05 18:25 -0700
  Re: I'm wrong or Will we fix the ducks limp? Peter Pearson <pkpearson@nowhere.invalid> - 2016-06-03 16:05 +0000
    Re: I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 16:09 -0700
      Re: I'm wrong or Will we fix the ducks limp? cs@zip.com.au - 2016-06-06 08:41 +1000
  Re: I'm wrong or Will we fix the ducks limp? Nagy László Zsolt <gandalf@shopzeus.com> - 2016-06-03 18:11 +0200
    Re: I'm wrong or Will we fix the ducks limp? Sayth Renshaw <flebber.crue@gmail.com> - 2016-06-03 16:11 -0700
  Re: I'm wrong or Will we fix the ducks limp? Terry Reedy <tjreedy@udel.edu> - 2016-06-03 22:12 -0400
  Re: I'm wrong or Will we fix the ducks limp? jfine2358@gmail.com - 2016-06-06 07:32 -0700

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