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Groups > comp.lang.python > #107702

Re: Python path and append

From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Python path and append
Date 2016-04-27 13:06 +1000
Message-ID <mailman.137.1461726413.32212.python-list@python.org> (permalink)
References (2 earlier) <nfm22a$qms$1@reader1.panix.com> <pq4thb907ep4mknnali2rhqgao32jdsn5o@4ax.com> <571eca35$0$1607$c3e8da3$5496439d@news.astraweb.com> <pba0iblrf5v5kojjfbqsrpoobt50k2ggvq@4ax.com> <CAPTjJmrTQu05a5uubz2qKu1fs_Xr9xtUuaG_Zi4GD0cZ29j5hA@mail.gmail.com>

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On Wed, Apr 27, 2016 at 12:56 PM, Seymore4Head
<Seymore4Head@hotmail.invalid> wrote:
> On Tue, 26 Apr 2016 11:53:57 +1000, Steven D'Aprano
> <steve@pearwood.info> wrote:
>
>>On Tue, 26 Apr 2016 08:04 am, Seymore4Head wrote:
>>
>>> BTW I was trying to use a line like yours that used an output file
>>> that didn't exist and was getting an error.  I assume that import os
>>> fixes that.
>>
>>
>>Why would you assume that?
>>
>>
>>"Doctor, I have a problem with my arm, but I won't tell you what. I assume
>>that if I take cough drops that will fix it."
>
> OK.  Dumb question acknowledged.
>
> I got an error when I tried to write to a non existent file.  I
> "incorrectly" assumed wrong.  That is going to be a common theme.

If you can acknowledge that, I suggest adopting a stance that will
tend to avoid such assumptions in the future. The easiest way is to do
less of your own analysis and more copy/paste of exact error messages.
Don't say "getting an error" - quote the actual code and error. Don't
say "I assume that", ask the question ("Would importing the os module
fix that?"). We'll be able to help more easily with actual error text,
and you won't look dumb :)

ChrisA

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Thread

Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-19 18:29 -0400
  Re: Python path and append Chris Angelico <rosuav@gmail.com> - 2016-04-20 08:38 +1000
  Re: Python path and append Matthew Barnett <mrabarnett@mrabarnett.plus.com> - 2016-04-20 00:36 +0100
  Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-25 14:10 -0400
    Re: Python path and append Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2016-04-25 18:24 +0000
      Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-25 15:00 -0400
        RE: Python path and append Joaquin Alzola <Joaquin.Alzola@lebara.com> - 2016-04-25 19:08 +0000
          Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-25 16:15 -0400
            Re: Python path and append Random832 <random832@fastmail.com> - 2016-04-25 16:28 -0400
            Re: Python path and append Peter Otten <__peter__@web.de> - 2016-04-25 23:38 +0200
            Re: Python path and append Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-25 19:57 -0400
        Re: Python path and append Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2016-04-25 19:31 +0000
        Re: Python path and append MRAB <python@mrabarnett.plus.com> - 2016-04-25 20:44 +0100
          Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-25 16:43 -0400
        Re: Python path and append Steven D'Aprano <steve@pearwood.info> - 2016-04-26 11:51 +1000
          Re: Python path and append Dan Sommers <dan@tombstonezero.net> - 2016-04-26 01:59 +0000
          Re: Python path and append Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-26 18:23 +1200
          Re: Python path and append boB Stepp <robertvstepp@gmail.com> - 2016-04-29 15:26 -0500
            Re: Python path and append Steven D'Aprano <steve@pearwood.info> - 2016-04-30 11:44 +1000
    Re: Python path and append John Gordon <gordon@panix.com> - 2016-04-25 21:26 +0000
      Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-25 18:04 -0400
        Re: Python path and append Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-25 20:03 -0400
        Re: Python path and append Steven D'Aprano <steve@pearwood.info> - 2016-04-26 11:53 +1000
          Re: Python path and append Seymore4Head <Seymore4Head@Hotmail.invalid> - 2016-04-26 22:56 -0400
            Re: Python path and append Chris Angelico <rosuav@gmail.com> - 2016-04-27 13:06 +1000
            Re: Python path and append Stephen Hansen <me+python@ixokai.io> - 2016-04-27 17:24 -0700
      Re: Python path and append Chris Angelico <rosuav@gmail.com> - 2016-04-26 10:25 +1000

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