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Re: which a is used?

References <95e88ca6-36ad-4820-8ecc-c9a788517430@googlegroups.com> <CA+vVgJW8-=Z880fyLYT23cV-=9CiTepX6f5Cjy8d7cT3BZ9SSQ@mail.gmail.com>
Date 2012-09-24 20:06 -0400
Subject Re: which a is used?
From Dwight Hutto <dwightdhutto@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.1248.1348531603.27098.python-list@python.org> (permalink)

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On Mon, Sep 24, 2012 at 7:57 PM, Dwight Hutto <dwightdhutto@gmail.com> wrote:
> On Mon, Sep 24, 2012 at 7:43 PM, Jayden <jayden.shui@gmail.com> wrote:
>> Dear All,
>>
>> I have a simple code as follows:
>>
>> # Begin
>> a = 1
>>
>> def f():
>>     print a
>>
>> def g():
>>     a = 20
>>     f()

this prints a from calling f() function

call print a wasn't in a class where it was self.a and changed, so it
performed the function f which prints a and a = 1, but g just assigns
the 20, and calls the f() function which shows a, there is no self.a,
nor a class to show this in.



>>
>> g()
>> #End
>>
>> I think the results should be 20, but it is 1. Would you please tell me why?
>>
>> Thanks a lot!
>>
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>
> didn't return the value, or print it out
>
>
> --
> Best Regards,
> David Hutto
> CEO: http://www.hitwebdevelopment.com



-- 
Best Regards,
David Hutto
CEO: http://www.hitwebdevelopment.com

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Thread

which a is used? Jayden <jayden.shui@gmail.com> - 2012-09-24 16:43 -0700
  Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 19:57 -0400
  Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 20:06 -0400
  Re: which a is used? alex23 <wuwei23@gmail.com> - 2012-09-24 17:08 -0700
    Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 21:13 -0400
      Re: which a is used? alex23 <wuwei23@gmail.com> - 2012-09-24 19:14 -0700
        Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 22:37 -0400
          Re: which a is used? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-25 07:07 +0200
            Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-25 01:30 -0400
              Re: which a is used? alex23 <wuwei23@gmail.com> - 2012-09-25 05:48 -0700
            Re: which a is used? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-25 08:44 +0100
            Stop feeding the trolls (Was: which a is used?) D'Arcy Cain <darcy@druid.net> - 2012-09-25 09:53 -0400
            Re: Stop feeding the trolls (Was: which a is used?) David Robinow <drobinow@gmail.com> - 2012-09-25 21:00 -0400
            Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-26 03:06 -0400
              Re: Stop feeding the trolls (Was: which a is used?) alex23 <wuwei23@gmail.com> - 2012-09-26 17:40 -0700
                Re: Stop feeding the trolls Ben Finney <ben+python@benfinney.id.au> - 2012-09-27 13:06 +1000
                Re: Stop feeding the trolls Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-27 23:39 -0400
                Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-27 23:47 -0400
                Re: Stop feeding the trolls (Was: which a is used?) Chris Angelico <rosuav@gmail.com> - 2012-09-28 14:40 +1000
                Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-28 00:50 -0400
                Re: Stop feeding the trolls (Was: which a is used?) "Littlefield, Tyler" <tyler@tysdomain.com> - 2012-09-27 23:12 -0600
                Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-28 01:21 -0400
                Re: Stop feeding the trolls (Was: which a is used?) rusi <rustompmody@gmail.com> - 2012-09-27 22:51 -0700
                Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-28 02:20 -0400
            Re: Stop feeding the trolls (Was: which a is used?) Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-26 03:07 -0400
        Re: which a is used? "Colin J. Williams" <cjw@ncf.ca> - 2012-09-25 08:52 -0400
      Re: which a is used? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-25 07:06 +0200
        Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-25 01:22 -0400
          Re: which a is used? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-25 07:39 +0200
    Re: which a is used? Terry Reedy <tjreedy@udel.edu> - 2012-09-25 01:05 -0400
  Re: which a is used? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-25 01:18 +0000
    Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 21:47 -0400
      Re: which a is used? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-25 07:06 +0200
    Re: which a is used? Dwight Hutto <dwightdhutto@gmail.com> - 2012-09-24 21:50 -0400
  Re: which a is used? Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2012-09-25 11:30 +0200

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