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Re: Why do I have to use "global" so much when using Turtle?

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All right, never mind!

I hacked around this morning, making some changes to parts of my program that I thought were unrelated to my namespace issues.  I was paring it down to a minimal example, to post here as Ned requested.  As an experiment, I also commented out the global declaration line in move_balls... and everything worked this time.

I'm baffled as to what necessitated the global declaration in the first place.  But since the goal was to teach my students a graphical tool, I don't think that I will investigate this matter any further.

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Why do I have to use "global" so much when using Turtle? John Ladasky <john_ladasky@sbcglobal.net> - 2013-09-21 21:39 -0700
  Re: Why do I have to use "global" so much when using Turtle? Peter Otten <__peter__@web.de> - 2013-09-22 10:15 +0200
  Re: Why do I have to use "global" so much when using Turtle? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-22 10:43 +0000
  Re: Why do I have to use "global" so much when using Turtle? Ned Batchelder <ned@nedbatchelder.com> - 2013-09-22 06:56 -0400
  Re: Why do I have to use "global" so much when using Turtle? Nobody <nobody@nowhere.com> - 2013-09-22 14:48 +0100
  Re: Why do I have to use "global" so much when using Turtle? John Ladasky <john_ladasky@sbcglobal.net> - 2013-09-22 11:57 -0700
    Re: Why do I have to use "global" so much when using Turtle? rusi <rustompmody@gmail.com> - 2013-09-22 18:44 -0700
      Re: Why do I have to use "global" so much when using Turtle? John Ladasky <john_ladasky@sbcglobal.net> - 2013-09-23 00:26 -0700

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