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Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses BOTH? Good idea?

Newsgroups	comp.lang.python
Date	2015-05-12 19:47 -0700
References	(9 earlier) <4628bce6-98d5-44b7-bb3b-bcb796c0df77@googlegroups.com> <d4559cef-69fb-4a62-a300-cde3a9e127d6@googlegroups.com> <PRINT-20150512175315@ram.dialup.fu-berlin.de> <mailman.400.1431446739.12865.python-list@python.org> <5552a591$0$12979$c3e8da3$5496439d@news.astraweb.com>
Message-ID	<f3cc4eee-8e0d-4bd9-acd5-f08b3186b0c8@googlegroups.com> (permalink)
Subject	Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses BOTH? Good idea?
From	zipher <dreamingforward@gmail.com>

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On Tuesday, May 12, 2015 at 8:15:07 PM UTC-5, Steven D'Aprano wrote:
> On Wed, 13 May 2015 02:05 am, Chris Angelico wrote:
> 
> > So if you're writing a library function, it probably shouldn't use
> > print()... but your application is most welcome to. You usually know
> > which one you're writing at any given time.
> 
> You might be, but beginners are not.
> 
> I'm not sure I accept Rustom's fix for the problem (I think that his cure is
> worse than the disease), but it is *hard* to get some beginners to use
> return instead of print:
> 
> def add_twice(x, y):
>     """Add twice y to x."""
>     print x + 2*y
> 
> 
> sort of thing.
> 
> Personally, I think that banning print is only useful if you wish to
> encourage cargo-cult programming:
> 
> "Don't use print!" 
> "Why not?"
> "My CS lecture said not to use it! I dunno, maybe it has a virus or
> something."

No, no, no.  There's a very simple reason that you don't put extraneous I/O into your functions:  you want your functions to be as general as possible for the given focus for re-usability.  Otherwise, why write as a separate function?  It's called separability of domains.

See Hacking with the Tao:  http://wiki.hackerspaces.org/Hacking_with_the_Tao.

Mark

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Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Seberino <cseberino@gmail.com> - 2015-05-10 13:43 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Mel Wilson <mwilson@the-wire.com> - 2015-05-10 20:59 +0000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Marko Rauhamaa <marko@pacujo.net> - 2015-05-11 00:16 +0300
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-10 19:37 -0600
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? beliavsky@aol.com - 2015-05-11 12:01 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-12 12:04 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Michael Torrie <torriem@gmail.com> - 2015-05-11 23:04 -0600
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-11 22:38 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-11 23:42 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-12 16:57 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 02:16 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 08:18 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-13 02:05 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-13 11:14 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 19:02 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 19:47 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-13 14:54 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 22:56 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-13 16:17 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 23:31 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 10:35 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-12 19:22 +0100
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 20:08 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-12 17:04 +0100
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 08:11 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rob Gaddi <rgaddi@technologyhighland.invalid> - 2015-05-12 17:03 +0000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-13 03:15 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Marko Rauhamaa <marko@pacujo.net> - 2015-05-12 22:52 +0300
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-13 03:26 +1000
uPy Unicode [was Re: Instead of deciding between Python or Lisp blah blah blah] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-13 11:23 +1000
Re: uPy Unicode [was Re: Instead of deciding between Python or Lisp blah blah blah] Chris Angelico <rosuav@gmail.com> - 2015-05-13 15:13 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 10:57 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 15:00 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Marko Rauhamaa <marko@pacujo.net> - 2015-05-13 01:24 +0300
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 20:11 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-12 21:46 -0600
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 23:36 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-13 07:49 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Grant Edwards <invalid@invalid.invalid> - 2015-05-13 17:56 +0000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-13 12:30 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Paul Rubin <no.email@nospam.invalid> - 2015-05-12 19:38 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-12 20:27 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-12 20:35 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-13 07:44 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-13 09:26 -0600
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-13 11:07 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-13 15:38 -0600
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-13 16:16 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-13 22:55 +0100
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-14 11:40 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-14 03:35 +0100
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? wxjmfauth@gmail.com - 2015-05-14 00:38 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-15 20:25 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-15 20:36 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-15 21:24 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-14 11:48 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Marko Rauhamaa <marko@pacujo.net> - 2015-05-13 22:50 +0300
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-14 20:14 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-05-13 19:19 +1200
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-10 19:33 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-10 18:03 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? zipher <dreamingforward@gmail.com> - 2015-05-10 18:29 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Chris Angelico <rosuav@gmail.com> - 2015-05-11 12:11 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-11 13:59 +1000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-10 21:42 -0700
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Skip Montanaro <skip.montanaro@gmail.com> - 2015-05-11 09:04 -0500
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Grant Edwards <invalid@invalid.invalid> - 2015-05-11 14:35 +0000
Re: Instead of deciding between Python or Lisp for a programming intro course...What about an intro course that uses *BOTH*? Good idea? Rustom Mody <rustompmody@gmail.com> - 2015-05-11 09:29 -0700

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