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Re: [beginner] What's wrong?

From Mark Lawrence <breamoreboy@yahoo.co.uk>
Newsgroups comp.lang.python
Subject Re: [beginner] What's wrong?
Date 2016-04-09 00:07 +0100
Message-ID <mailman.99.1460156844.2253.python-list@python.org> (permalink)
References (1 earlier) <ndmrer$t8j$1@dont-email.me> <99234e90-fcd4-4a05-b97f-b47228dde20c@googlegroups.com> <mailman.345.1459551446.28225.python-list@python.org> <1f3a6628-863c-4e92-aa47-e5b3a80baf04@googlegroups.com> <ne9dj3$9m5$1@ger.gmane.org>

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On 08/04/2016 23:59, sohcahtoa82@gmail.com wrote:
> On Friday, April 1, 2016 at 3:57:40 PM UTC-7, Mark Lawrence wrote:
>> On 01/04/2016 23:44, sohcahtoa82@gmail.com wrote:
>>> On Friday, April 1, 2016 at 3:10:51 PM UTC-7, Michael Okuntsov wrote:
>>>> Nevermind. for j in range(1,8) should be for j in range(8).
>>>
>>> I can't tell you how many times I've gotten bit in the ass with that off-by-one mistake whenever I use a range that doesn't start at zero.
>>>
>>> I know that if I want to loop 10 times and I either want to start at zero or just don't care about the actual number, I use `for i in range(10)`.  But if I want to loop from 10 to 20, my first instinct is to write `for i in range(10, 20)`, and then I'm left figuring out why my loop isn't executing the last step.
>>>
>>
>> "First instinct"?  "I expected"?  The Python docs might not be perfect,
>> but they were certainly adequate enough to get me going 15 years ago,
>> and since then they've improved.  So where is the problem, other than
>> failure to RTFM?
>>
>> --
>> My fellow Pythonistas, ask not what our language can do for you, ask
>> what you can do for our language.
>>
>> Mark Lawrence
>
> Holy hell, why such an aggressive tone?
>
> I understand how range(x, y) works.  It's just a simple mistake that I frequently do it wrong and have to correct it after the first time I run it.  It's not like I'm saying that the implementation needs to change.  I'm just saying that if I want to loop from 10 to 20, my first thought is to use range(10, 20).  It is slightly unintuitive.
>
> *YES*, I know it is wrong.  *YES*, I understand why the correct usage would be range(10, 21) to get that list from 10 to 20.
>
> Get off your high horse.  Not everybody is like you and has been using Python for 15 years and apparently never makes mistakes.
>

*plonk*

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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Thread

[beginner] What's wrong? Michael Okuntsov <okuntsov.mikhail@yandex.ru> - 2016-04-02 03:48 +0600
  Re: [beginner] What's wrong? Michael Okuntsov <okuntsov.mikhail@yandex.ru> - 2016-04-02 04:10 +0600
    Re: [beginner] What's wrong? sohcahtoa82@gmail.com - 2016-04-01 15:44 -0700
      Re: [beginner] What's wrong? Random832 <random832@fastmail.com> - 2016-04-02 00:27 -0400
      Re: [beginner] What's wrong? Michael Selik <michael.selik@gmail.com> - 2016-04-02 05:36 +0000
      Re: [beginner] What's wrong? William Ray Wing <wrw@mac.com> - 2016-04-02 00:54 -0400
      Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-02 19:15 +1100
      Re: [beginner] What's wrong? Michael Selik <michael.selik@gmail.com> - 2016-04-02 14:48 +0000
      Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-03 01:55 +1100
        Re: [beginner] What's wrong? Marko Rauhamaa <marko@pacujo.net> - 2016-04-02 18:07 +0300
          Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-03 02:36 +1100
          Re: [beginner] What's wrong? Steven D'Aprano <steve@pearwood.info> - 2016-04-03 02:06 +1000
            Re: [beginner] What's wrong? Marko Rauhamaa <marko@pacujo.net> - 2016-04-02 19:44 +0300
              Re: [beginner] What's wrong? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-02 19:12 +0200
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-02 10:28 -0700
                Re: [beginner] What's wrong? Marko Rauhamaa <marko@pacujo.net> - 2016-04-02 21:43 +0300
                Re: [beginner] What's wrong? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-03 13:47 +0200
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 07:30 -0700
                Re: [beginner] What's wrong? Dan Sommers <dan@tombstonezero.net> - 2016-04-03 15:25 +0000
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 08:39 -0700
                Re: [beginner] What's wrong? Dan Sommers <dan@tombstonezero.net> - 2016-04-03 16:22 +0000
                Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-04 02:44 +1000
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 10:18 -0700
                Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-04 03:35 +1000
                Re: [beginner] What's wrong? Dan Sommers <dan@tombstonezero.net> - 2016-04-03 18:26 +0000
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 08:46 -0700
                Re: [beginner] What's wrong? Larry Martell <larry.martell@gmail.com> - 2016-04-03 11:55 -0400
                Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-04 01:53 +1000
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 09:49 -0700
                Re: [beginner] What's wrong? Dan Sommers <dan@tombstonezero.net> - 2016-04-03 18:32 +0000
                Re: [beginner] What's wrong? Dan Sommers <dan@tombstonezero.net> - 2016-04-03 16:07 +0000
                Re: [beginner] What's wrong? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-06 21:56 +0200
                Unicode normalisation [was Re: [beginner] What's wrong?] Steven D'Aprano <steve@pearwood.info> - 2016-04-07 11:37 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Marko Rauhamaa <marko@pacujo.net> - 2016-04-07 09:36 +0300
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Peter Pearson <pkpearson@nowhere.invalid> - 2016-04-07 16:51 +0000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-07 21:43 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-07 21:47 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Chris Angelico <rosuav@gmail.com> - 2016-04-08 14:54 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-08 10:51 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Steven D'Aprano <steve@pearwood.info> - 2016-04-08 16:00 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Chris Angelico <rosuav@gmail.com> - 2016-04-08 16:13 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Peter Pearson <pkpearson@nowhere.invalid> - 2016-04-08 17:21 +0000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Marko Rauhamaa <marko@pacujo.net> - 2016-04-08 20:44 +0300
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Chris Angelico <rosuav@gmail.com> - 2016-04-09 03:50 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Peter Pearson <pkpearson@nowhere.invalid> - 2016-04-08 18:03 +0000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-08 11:17 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-08 11:20 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-08 11:04 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-08 20:20 -0400
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] alister <alister.ware@ntlworld.com> - 2016-04-09 08:30 +0000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-09 14:43 +0100
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-09 15:34 +0100
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-09 14:30 -0400
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Rustom Mody <rustompmody@gmail.com> - 2016-04-09 09:08 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-09 19:27 +0100
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-09 20:25 +0100
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Stephen Hansen <me@ixokai.io> - 2016-04-09 12:45 -0700
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-10 20:35 +1200
                QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Ben Finney <ben+python@benfinney.id.au> - 2016-04-09 10:43 +1000
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Steven D'Aprano <steve@pearwood.info> - 2016-04-09 13:28 +1000
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Random832 <random832@fastmail.com> - 2016-04-09 11:44 -0400
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Random832 <random832@fastmail.com> - 2016-04-09 11:53 -0400
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Steven D'Aprano <steve@pearwood.info> - 2016-04-18 11:39 +1000
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Random832 <random832@fastmail.com> - 2016-04-17 22:01 -0400
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-04-18 17:21 +1000
                Re: QWERTY was not designed to intentionally slow typists down Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-18 21:17 +1200
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Chris Angelico <rosuav@gmail.com> - 2016-04-18 12:09 +1000
                Re: QWERTY was not designed to intentionally slow typists down Michael Torrie <torriem@gmail.com> - 2016-04-17 21:50 -0600
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-18 00:06 -0400
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-09 14:52 -0400
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) pyotr filipivich <phamp@mindspring.com> - 2016-04-09 20:09 -0700
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-10 07:43 -0600
                Re: QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) pyotr filipivich <phamp@mindspring.com> - 2016-04-10 19:14 -0700
                Re: QWERTY was not designed to intentionally slow typists down Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-09 20:13 +0100
                Re: QWERTY was not designed to intentionally slow typists down alister <alister.ware@ntlworld.com> - 2016-04-09 20:22 +0000
                Re: QWERTY was not designed to intentionally slow typists down Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-09 22:23 +0100
                Re: QWERTY was not designed to intentionally slow typists down Tim Golden <mail@timgolden.me.uk> - 2016-04-09 22:51 +0100
                Re: QWERTY was not designed to intentionally slow typists down Tim Golden <mail@timgolden.me.uk> - 2016-04-09 20:25 +0100
                Re: QWERTY was not designed to intentionally slow typists down Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-09 20:36 +0100
                Re: QWERTY was not designed to intentionally slow typists down Ethan Furman <ethan@stoneleaf.us> - 2016-04-09 14:33 -0700
                RE: [E] QWERTY was not designed to intentionally slow typists down (was: Unicode normalisation [was Re: [beginner] What's wrong?]) "Coll-Barth, Michael" <Michael.Coll-Barth@VerizonWireless.com> - 2016-04-09 13:31 -0400
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Steven D'Aprano <steve@pearwood.info> - 2016-04-09 04:44 +1000
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Marko Rauhamaa <marko@pacujo.net> - 2016-04-08 21:55 +0300
                Re: Unicode normalisation [was Re: [beginner] What's wrong?] Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-10 21:25 +1200
                Re: [beginner] What's wrong? Steven D'Aprano <steve@pearwood.info> - 2016-04-03 09:49 +1000
                Re: [beginner] What's wrong? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-03 01:26 +0100
                Re: [beginner] What's wrong? Rustom Mody <rustompmody@gmail.com> - 2016-04-03 07:52 -0700
                Re: [beginner] What's wrong? Michael Okuntsov <okuntsov.mikhail@yandex.ru> - 2016-04-03 22:24 +0600
                Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-04 02:28 +1000
                Re: [beginner] What's wrong? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-03 16:57 +1200
                Re: [beginner] What's wrong? Steven D'Aprano <steve@pearwood.info> - 2016-04-03 15:34 +1000
              Re: [beginner] What's wrong? Terry Reedy <tjreedy@udel.edu> - 2016-04-02 15:07 -0400
                Re: [beginner] What's wrong? Marko Rauhamaa <marko@pacujo.net> - 2016-04-02 22:36 +0300
                Re: [beginner] What's wrong? Michael Selik <michael.selik@gmail.com> - 2016-04-02 21:42 +0000
                Re: [beginner] What's wrong? Steven D'Aprano <steve@pearwood.info> - 2016-04-03 10:48 +1000
                Re: [beginner] What's wrong? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-03 02:04 +0100
                Re: [beginner] What's wrong? alister <alister.ware@ntlworld.com> - 2016-04-03 12:37 +0000
          Re: [beginner] What's wrong? Terry Reedy <tjreedy@udel.edu> - 2016-04-02 14:59 -0400
        Re: [beginner] What's wrong? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-03 16:43 +1200
      Re: [beginner] What's wrong? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-02 12:31 -0400
      Re: [beginner] What's wrong? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-03 00:58 +0100
      Re: [beginner] What's wrong? sohcahtoa82@gmail.com - 2016-04-08 15:59 -0700
        Re: [beginner] What's wrong? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-09 00:07 +0100
    Re: [beginner] What's wrong? Michael Torrie <torriem@gmail.com> - 2016-04-02 16:49 -0600
      Re: [beginner] What's wrong? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-03 10:12 +0200
    Re: [beginner] What's wrong? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-04-04 15:04 +0100
      Re: [beginner] What's wrong? BartC <bc@freeuk.com> - 2016-04-04 15:51 +0100
    From email addresses sometimes strange on this list - was Re: [beginner] What's wrong? Michael Torrie <torriem@gmail.com> - 2016-04-04 16:55 -0600
    Re: From email addresses sometimes strange on this list - was Re: [beginner] What's wrong? Chris Angelico <rosuav@gmail.com> - 2016-04-05 08:58 +1000
    Re: From email addresses sometimes strange on this list - was Re: [beginner] What's wrong? Michael Torrie <torriem@gmail.com> - 2016-04-04 17:19 -0600

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