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Groups > comp.lang.python > #99558

Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?)

From Ben Finney <ben+python@benfinney.id.au>
Newsgroups comp.lang.python
Subject Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?)
Date 2015-11-26 22:24 +1100
Message-ID <mailman.129.1448537076.20593.python-list@python.org> (permalink)
References (6 earlier) <mailman.109.1448504727.20593.python-list@python.org> <w2dd1uxbd1c.fsf@daphne.csail.mit.edu> <6imd5b9it55sucrcl95o95tppro7errfsi@4ax.com> <871tbdf2o0.fsf@elektro.pacujo.net> <70qd5b9lbtjlsotn7d21gor4rd67o79ou7@4ax.com>

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Dave Farrance <df@see.replyto.invalid> writes:

> Marko Rauhamaa <marko@pacujo.net> wrote:
>
> >Dave Farrance <df@see.replyto.invalid>:
> >
> >> (Conversely, I see that unlike CPython, all PyPy's numbers have
> >> unchanging ids, even after exiting PyPy and restarting, so it seems
> >> that PyPy's numerical ids are "faked".)
> >
> >What's a faked id?
>
> You can figure out what I'm getting at -- i.e. I presume that the ids
> are not pointers to stored numbers in memory (as with CPython) but are
> a translation of the numerical variable's value.

Why refer to that as “faked”? That's what I can't figure out about what
you're getting at. Perhaps Marko shares my uncomprehension.

The Python language makes no promise about “pointers to stored numbers
in memory” for object identity. That is an implementation detail of
CPython, and is *explicitly* not promised for any other Python
implementation.

If you are surprised that object identity appears to have no connection
with memory location, then you've made unwarranted assumptions that are
explicitly warned against in the Python documentation.

-- 
 \        “Absurdity, n. A statement or belief manifestly inconsistent |
  `\            with one's own opinion.” —Ambrose Bierce, _The Devil's |
_o__)                                                Dictionary_, 1906 |
Ben Finney

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Thread

What is a function parameter =[] for? fl <rxjwg98@gmail.com> - 2015-11-18 13:08 -0800
  Re: What is a function parameter =[] for? John Gordon <gordon@panix.com> - 2015-11-18 22:05 +0000
  Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-18 15:11 -0700
    Re: What is a function parameter =[] for? Grant Edwards <invalid@invalid.invalid> - 2015-11-18 22:33 +0000
    Re: What is a function parameter =[] for? fl <rxjwg98@gmail.com> - 2015-11-18 14:38 -0800
      Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-18 15:47 -0700
      Re: What is a function parameter =[] for? fl <rxjwg98@gmail.com> - 2015-11-18 14:48 -0800
    Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-18 23:14 +0000
      Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-19 10:22 +1100
        Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 01:41 +0000
          Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-19 12:59 +1100
            Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 11:41 +0000
              Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-19 22:58 +1100
              Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-19 23:45 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-19 08:42 -0700
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-22 14:58 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 13:38 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 04:29 +1100
          Re: What is a function parameter =[] for? Ben Finney <ben+python@benfinney.id.au> - 2015-11-19 13:08 +1100
          Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-19 13:15 +1100
      Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-18 17:02 -0700
      Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-19 11:14 +1100
        Re: What is a function parameter =[] for? fl <rxjwg98@gmail.com> - 2015-11-18 16:34 -0800
          Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-18 17:52 -0700
          Re: What is a function parameter =[] for? MRAB <python@mrabarnett.plus.com> - 2015-11-19 01:02 +0000
          Re: What is a function parameter =[] for? Ben Finney <ben+python@benfinney.id.au> - 2015-11-19 12:26 +1100
          Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-19 22:38 +1100
      Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-19 23:19 +1100
        Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 13:19 +0000
          Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 00:45 +1100
          Re: What is a function parameter =[] for? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-11-19 09:05 -0500
          Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-20 03:01 +1100
            Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 04:30 +1100
            Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 17:30 +0000
              Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 04:45 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 18:19 +0000
                Re: What is a function parameter =[] for? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-19 18:26 +0000
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 18:50 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 06:09 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 19:48 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 06:58 +1100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-20 11:26 +1100
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-19 16:36 -0800
                Re: What is a function parameter =[] for? Laura Creighton <lac@openend.se> - 2015-11-20 02:00 +0100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-19 17:59 -0700
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-19 20:39 +0200
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-19 11:42 -0700
                Re: What is a function parameter =[] for? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-11-19 18:44 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-20 06:19 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-19 21:21 +0000
                Re: What is a function parameter =[] for? Michael Torrie <torriem@gmail.com> - 2015-11-19 15:55 -0700
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-20 00:11 +0000
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-19 16:27 -0800
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 14:43 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 01:00 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 15:24 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 01:34 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 16:01 +0100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 16:03 +0100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 16:12 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 02:17 +1100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 04:54 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 16:46 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 02:48 +1100
                Re: What is a function parameter =[] for? Random832 <random832@fastmail.com> - 2015-11-24 16:28 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 03:38 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 17:41 +0100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 09:56 -0700
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 18:32 +0100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 10:53 -0700
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 11:04 -0700
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 19:45 +0100
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-24 10:54 -0800
                Re: What is a function parameter =[] for? Random832 <random832@fastmail.com> - 2015-11-24 19:00 +0000
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 11:34 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 12:15 -0700
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 12:15 -0700
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 21:54 +0100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-24 21:14 +0000
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 22:25 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 11:36 +1100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 11:56 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-25 10:56 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-26 04:40 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-25 19:27 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-26 11:10 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-25 13:39 -0700
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-25 22:05 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-26 09:06 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-25 15:38 -0700
                Re: What is a function parameter =[] for? Alan Bawden <alan@csail.mit.edu> - 2015-11-25 21:08 -0500
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-26 13:25 +1100
                Re: What is a function parameter =[] for? Alan Bawden <alan@csail.mit.edu> - 2015-11-25 23:27 -0500
                Re: What is a function parameter =[] for? Dave Farrance <df@see.replyto.invalid> - 2015-11-26 10:34 +0000
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-26 12:58 +0200
                Re: What is a function parameter =[] for? Dave Farrance <df@see.replyto.invalid> - 2015-11-26 11:12 +0000
                Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?) Ben Finney <ben+python@benfinney.id.au> - 2015-11-26 22:24 +1100
                Re: Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?) Dave Farrance <df@see.replyto.invalid> - 2015-11-26 11:50 +0000
                Re: Object identity has no necessary connection to memory location Ben Finney <ben+python@benfinney.id.au> - 2015-11-27 07:00 +1100
                Re: Object identity has no necessary connection to memory location Steven D'Aprano <steve@pearwood.info> - 2015-11-27 13:17 +1100
                Re: Object identity has no necessary connection to memory location Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-26 21:44 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-26 22:24 +1100
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-26 13:27 +0200
                Re: Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?) Chris Angelico <rosuav@gmail.com> - 2015-11-26 22:49 +1100
                Re: Object identity has no necessary connection to memory location Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-26 13:04 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-27 12:34 +1100
                Re: What is a function parameter =[] for? Ben Finney <ben+python@benfinney.id.au> - 2015-11-27 12:40 +1100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-27 13:44 +1100
                Re: What is a function parameter =[] for? MRAB <python@mrabarnett.plus.com> - 2015-11-27 02:56 +0000
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-27 23:57 +1100
                Re: What is a function parameter =[] for? Laura Creighton <lac@openend.se> - 2015-11-27 14:24 +0100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-28 00:29 +1100
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-27 14:06 +1100
                Re: What is a function parameter =[] for? Ben Finney <ben+python@benfinney.id.au> - 2015-11-27 15:56 +1100
                Re: What is a function parameter =[] for? Random832 <random832@fastmail.com> - 2015-11-26 23:33 -0500
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-25 19:46 -0700
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-26 14:02 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-26 09:15 +0100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-24 14:33 -0700
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 09:09 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-19 12:25 -0700
              Re: What is a function parameter =[] for? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-19 18:20 +0000
              Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-20 12:05 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-20 11:59 +0000
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-20 04:12 -0800
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-20 12:39 +0000
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-21 00:04 +1100
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-20 05:30 -0800
                Re: What is a function parameter =[] for? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-11-20 08:34 -0500
                Re: What is a function parameter =[] for? Random832 <random832@fastmail.com> - 2015-11-20 14:32 +0000
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-20 09:18 -0700
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-22 23:01 +1100
                Re: What is a function parameter =[] for? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-11-23 12:30 +1300
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 15:38 +0100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 15:34 +0100
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-24 06:50 -0800
                Re: What is a function parameter =[] for? Terry Reedy <tjreedy@udel.edu> - 2015-11-24 12:46 -0500
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 19:27 +0100
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-20 14:28 +0200
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-20 12:53 +0000
                Re: What is a function parameter =[] for? Random832 <random832@fastmail.com> - 2015-11-20 14:35 +0000
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-22 21:06 +1100
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-22 14:35 +0200
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-20 09:16 -0700
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-20 18:31 +0200
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-21 03:37 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-20 09:39 -0700
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-21 03:24 +1100
                Re: What is a function parameter =[] for? Ian Kelly <ian.g.kelly@gmail.com> - 2015-11-20 09:29 -0700
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-20 18:41 +0200
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-21 03:36 +1100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-22 14:43 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-22 13:21 +0000
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-22 14:28 +0000
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-23 10:44 +1100
                Re: What is a function parameter =[] for? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-23 00:04 +0000
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-23 00:37 +0000
                Re: What is a function parameter =[] for? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-11-23 11:32 +0000
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-23 04:05 -0800
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-23 14:23 +0200
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-23 11:20 +1100
                Re: What is a function parameter =[] for? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-11-23 12:43 +1300
                Re: What is a function parameter =[] for? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-11-23 18:47 +1100
                Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-23 10:40 +0000
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-24 00:58 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 15:58 +0100
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 04:56 +1100
                Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 15:18 +0100
              Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 14:48 +0100
      Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 12:36 +0100
      Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-24 23:07 +1100
      Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 13:48 +0100
        Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-24 14:57 +0200
          Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-24 06:18 -0800
            Re: What is a function parameter =[] for? BartC <bc@freeuk.com> - 2015-11-24 14:43 +0000
              Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-25 01:54 +1100
            Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-24 16:10 +0100
              Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-24 07:27 -0800
                Re: What is a function parameter =[] for? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-11-24 17:25 +0000
                Re: What is a function parameter =[] for? Ned Batchelder <ned@nedbatchelder.com> - 2015-11-24 09:35 -0800
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-24 20:13 +0200
                Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 05:33 +1100
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-24 21:17 +0200
            Re: What is a function parameter =[] for? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-11-24 11:27 -0500
            Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 11:39 +1100
              Re: What is a function parameter =[] for? Laura Creighton <lac@openend.se> - 2015-11-25 01:55 +0100
              A name refers to an object, an object has a value, equality compares values (was: What is a function parameter =[] for?) Ben Finney <ben+python@benfinney.id.au> - 2015-11-25 13:17 +1100
                Re: A name refers to an object, an object has a value, equality compares values Marko Rauhamaa <marko@pacujo.net> - 2015-11-25 08:44 +0200
                Re: A name refers to an object, an object has a value, equality compares values Chris Angelico <rosuav@gmail.com> - 2015-11-25 19:27 +1100
              Re: What is a function parameter =[] for? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2015-11-25 10:36 +0100
                Re: What is a function parameter =[] for? Jussi Piitulainen <harvest@should.be.invalid> - 2015-11-25 13:39 +0200
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-25 14:48 +0200
                Re: What is a function parameter =[] for? Chris Angelico <rosuav@gmail.com> - 2015-11-26 00:50 +1100
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-25 16:08 +0200
                Re: What is a function parameter =[] for? Jussi Piitulainen <harvest@should.be.invalid> - 2015-11-25 17:13 +0200
                Re: What is a function parameter =[] for? Marko Rauhamaa <marko@pacujo.net> - 2015-11-25 18:44 +0200
                Re: What is a function parameter =[] for? Jussi Piitulainen <harvest@should.be.invalid> - 2015-11-25 20:30 +0200
          Re: What is a function parameter =[] for? Steven D'Aprano <steve@pearwood.info> - 2015-11-25 03:11 +1100

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