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Re: using __getitem()__ correctly

From "Charles T. Smith" <cts.private.yahoo@gmail.com>
Newsgroups comp.lang.python
Subject Re: using __getitem()__ correctly
Date 2015-12-30 23:18 +0000
Organization A noiseless patient Spider
Message-ID <n61op1$b63$1@dont-email.me> (permalink)
References (3 earlier) <mailman.76.1451489799.11925.python-list@python.org> <n612fj$rtp$4@dont-email.me> <mailman.83.1451508086.11925.python-list@python.org> <n61nbh$rtp$5@dont-email.me> <mailman.92.1451517241.11925.python-list@python.org>

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On Thu, 31 Dec 2015 10:13:53 +1100, Ben Finney wrote:

> "Charles T. Smith" <cts.private.yahoo@gmail.com> writes:
> 
>> I don't understand this distinction between an "attribute" and a "dict
>> item".
> 
> When did you most recently work through the Python tutorial
> <URL:https://docs.python.org/3/tutorial/>> You may want to work through
> it again, from start to finish and exercising each example, to be sure
> you have a solid understanding of basic concepts like these.
> 
> In brief: Objects have attributes; looking up an attribute on an object
> has specific syntax. Dictionaries are collections of items; the items
> are looked up by key, using a quite different syntax. Those two
> different syntaxes translate to distinct special methods.
> 
> You may be familiar with other languages where the distinction between
> “attribute of an object” is not distinct from “item in a dictionary”.
> Python is not one of those languages; the distinction is real and
> important. You'll need to do some remedial learning of Python, and I
> recommend working through the Python tutorial.


Thanks, Ben, for your advice.  Actually, I think that Ian and Chris and
I are making fine progress.  I think you misread my question.

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Thread

using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 12:57 +0000
  Re: using __getitem()__ correctly Chris Angelico <rosuav@gmail.com> - 2015-12-31 00:11 +1100
    Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 14:40 +0000
      Re: using __getitem()__ correctly Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-30 08:35 -0700
        Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 16:58 +0000
          Re: using __getitem()__ correctly Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-30 13:40 -0700
            Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 22:54 +0000
              Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 22:58 +0000
              Re: using __getitem()__ correctly Ben Finney <ben+python@benfinney.id.au> - 2015-12-31 10:13 +1100
                Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-30 23:18 +0000
                Re: using __getitem()__ correctly Steven D'Aprano <steve@pearwood.info> - 2015-12-31 10:50 +1100
                Re: using __getitem()__ correctly Ben Finney <ben+python@benfinney.id.au> - 2015-12-31 11:21 +1100
                Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-31 11:30 +0000
                Re: using __getitem()__ correctly Ben Finney <ben+python@benfinney.id.au> - 2015-12-31 22:51 +1100
                Re: using __getitem()__ correctly Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-12-31 12:12 +0000
                Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-31 13:39 +0000
                Re: using __getitem()__ correctly Steven D'Aprano <steve@pearwood.info> - 2016-01-01 02:03 +1100
                Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-31 11:17 +0000
                Re: using __getitem()__ correctly Steven D'Aprano <steve@pearwood.info> - 2016-01-01 01:43 +1100
              Re: using __getitem()__ correctly Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-30 17:31 -0700
                Re: using __getitem()__ correctly "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2015-12-31 12:45 +0000

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