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Re: Howw to prevent the duplication of any value in a column within a CSV file (python)

From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Howw to prevent the duplication of any value in a column within a CSV file (python)
Date 2016-04-27 16:37 +1000
Message-ID <mailman.143.1461739050.32212.python-list@python.org> (permalink)
References (5 earlier) <49f4ffd8-d140-4f1b-95a9-75cb122e8b2f@googlegroups.com> <e442a9aa-60f2-641f-08fe-487ca1d29799@mrabarnett.plus.com> <mailman.129.1461702225.32212.python-list@python.org> <f8a42577-e3c7-4dd6-a2a7-9cee58c37ee4@googlegroups.com> <CAPTjJmqhoJrE5mHHdCSwj-aORx7YTVTuJgdNwZ9T7mq3QxFrvA@mail.gmail.com>

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On Wed, Apr 27, 2016 at 4:26 PM, Adam Davis <peakgraphicz@gmail.com> wrote:
> I understand what you're saying! But where you say: " the_set = set()", what would go within the set brackets?

Nothing. The empty parentheses mean "call this with no arguments", and
when you call the set constructor like that, you get back an empty
set.

ChrisA

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Thread

Howw to prevent the duplication of any value in a column within a CSV file (python) peakgraphicz@gmail.com - 2016-04-26 09:01 -0700
  Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Joel Goldstick <joel.goldstick@gmail.com> - 2016-04-26 12:08 -0400
    Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-26 10:05 -0700
      Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-26 20:10 -0400
  Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-26 10:13 -0600
    Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-26 10:00 -0700
      Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-26 13:50 -0600
  Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-26 10:05 -0700
    RE: Howw to prevent the duplication of any value in a column within a CSV file (python) Joaquin Alzola <Joaquin.Alzola@lebara.com> - 2016-04-26 19:05 +0000
    Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-26 13:51 -0600
      Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-26 13:07 -0700
        Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-26 14:19 -0600
          Re: Private message regarding: Howw to prevent the duplication of any value in a column within a CSV file (python) Ian Kelly <ian.g.kelly@gmail.com> - 2016-05-02 07:47 -0600
        Re: Howw to prevent the duplication of any value in a column within a CSV file (python) MRAB <python@mrabarnett.plus.com> - 2016-04-26 21:23 +0100
          Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-26 23:26 -0700
            Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Chris Angelico <rosuav@gmail.com> - 2016-04-27 16:37 +1000
              Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Adam Davis <peakgraphicz@gmail.com> - 2016-04-27 05:23 -0700
                Re: Howw to prevent the duplication of any value in a column within a CSV file (python) Andrew Ongko <andrew.ongko@gmail.com> - 2016-04-27 19:57 +0700
                Re: Howw to prevent the duplication of any value in a column within a CSV file (python) darnold <darnold992000@yahoo.com> - 2016-04-27 08:49 -0700
  RE: Howw to prevent the duplication of any value in a column within a CSV file (python) Joaquin Alzola <Joaquin.Alzola@lebara.com> - 2016-04-26 16:07 +0000

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