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Re: Python 3.x adoption

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On Tuesday, January 14, 2014 2:38:29 PM UTC-5, Skip Montanaro wrote:
> > What's the problem with Python 3.x? It was first released in 2008, but
> 
> > web hosting companies still seem to offer Python 2.x rather.
> 
> >
> 
> > For example, Google App Engine only offers Python 2.7.
> 
> >
> 
> > What's wrong?...
> 
> 
> 
> What makes you think anything's wrong? Major changes to any
> 
> established piece of software takes a fairly long while to infiltrate.
> 
> Lots of COBOL and Fortran 77 still running out there.

I don't think the Fortran analogy is valid.

The Fortran standards after F77 are almost complete supersets of F77, and Fortran compiler vendors handle even the deleted parts of F77, knowing their customer base. Therefore you do not need to rewrite old Fortran code to use it with Fortran 95 or 2003 compilers, and you can easily mix old-style and modern Fortran. Later Fortran standards did not invalidate basic syntax such as print statements, as Python 3 did. Python 2 and 3 are incompatible in ways that do not apply to Fortran standards pre- and post- F77.

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Thread

Python 3.x adoption Staszek <noreply@eisenbits.com> - 2014-01-14 20:33 +0100
  Re: Python 3.x adoption Skip Montanaro <skip@pobox.com> - 2014-01-14 13:38 -0600
    Re: Python 3.x adoption beliavsky@aol.com - 2014-01-17 14:16 -0800
      Re: Python 3.x adoption Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-17 22:51 +0000
      Re: Python 3.x adoption Terry Reedy <tjreedy@udel.edu> - 2014-01-17 18:03 -0500
        Re: Python 3.x adoption beliavsky@aol.com - 2014-01-18 05:27 -0800
          Re: Python 3.x adoption Travis Griggs <travisgriggs@gmail.com> - 2014-01-21 11:04 -0800
          Re: Python 3.x adoption Chris Kaynor <ckaynor@zindagigames.com> - 2014-01-21 11:15 -0800
          Re: Python 3.x adoption Chris Angelico <rosuav@gmail.com> - 2014-01-22 06:25 +1100
      Re: Python 3.x adoption MRAB <python@mrabarnett.plus.com> - 2014-01-17 23:12 +0000
      Re: Python 3.x adoption Chris Angelico <rosuav@gmail.com> - 2014-01-18 10:17 +1100
      Re: Python 3.x adoption Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-01-17 20:01 -0500
      Re: Python 3.x adoption Ben Finney <ben+python@benfinney.id.au> - 2014-01-18 12:18 +1100
      Re: Python 3.x adoption Ben Finney <ben+python@benfinney.id.au> - 2014-01-18 12:27 +1100
  Re: Python 3.x adoption Chris Angelico <rosuav@gmail.com> - 2014-01-15 06:44 +1100
  Re: Python 3.x adoption Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-15 02:55 +0000
    Re: Python 3.x adoption MRAB <python@mrabarnett.plus.com> - 2014-01-15 03:30 +0000
  Re: Python 3.x adoption Travis Griggs <travisgriggs@gmail.com> - 2014-01-15 07:43 -0800
    Re: Python 3.x adoption Piet van Oostrum <piet@vanoostrum.org> - 2014-01-16 13:57 +0100
  Re: Python 3.x adoption Chris Angelico <rosuav@gmail.com> - 2014-01-16 03:14 +1100
  Re: Python 3.x adoption Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-15 16:46 +0000
  Re: Python 3.x adoption Chris Angelico <rosuav@gmail.com> - 2014-01-16 04:08 +1100
  Re: Python 3.x adoption Christopher Welborn <cjwelborn@live.com> - 2014-01-15 11:37 -0600
  Re: Python 3.x adoption Grant Edwards <invalid@invalid.invalid> - 2014-01-17 15:27 +0000
    Re: Python 3.x adoption Tim Chase <python.list@tim.thechases.com> - 2014-01-17 10:15 -0600
      Re: Python 3.x adoption Grant Edwards <invalid@invalid.invalid> - 2014-01-17 20:02 +0000
        Re: Python 3.x adoption Roy Smith <roy@panix.com> - 2014-01-17 21:49 -0500
    Re: Python 3.x adoption Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-17 16:21 +0000
    Re: Python 3.x adoption Terry Reedy <tjreedy@udel.edu> - 2014-01-17 17:10 -0500

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