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Groups > comp.lang.python > #6842

Re: Comparison operators in Python

From Terry Reedy <tjreedy@udel.edu>
Subject Re: Comparison operators in Python
Date 2011-06-02 02:09 -0400
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On 6/1/2011 8:44 PM, harrismh777 wrote:
> Ian Kelly wrote:

 >> ?? wrote
>>> integer. However comparison between a string and an integer seems to
>>> be permitted. Is there any rationale behind this ?

>> It allows things like sorting of heterogeneous lists. It's generally
>> viewed as a wart, though, and it was fixed in Python 3:

This was a Python 1.0 idea that Guido decided was more bug-inducing than 
useful.

> Just another example (excluding print 1/2 and unicode) where 3.x seems
> to be completely compatible with 2.x/ (tongue-in-cheek)

Arbitrary comparisons were broken and effectively deprecated about a 
decade ago with the introduction of the complex type. Just another 
example where 3.x completes a process of change started years before.

-- 
Terry Jan Reedy

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Thread

Comparison operators in Python Anirudh Sivaraman <sk.anirudh@gmail.com> - 2011-06-01 11:50 -0700
  Re: Comparison operators in Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2011-06-01 22:08 +0300
  Re: Comparison operators in Python Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-01 13:16 -0600
    Re: Comparison operators in Python harrismh777 <harrismh777@charter.net> - 2011-06-01 19:44 -0500
      Re: Comparison operators in Python Terry Reedy <tjreedy@udel.edu> - 2011-06-02 02:09 -0400
      Re: Comparison operators in Python Michael Sparks <sparks.m@gmail.com> - 2011-06-02 03:05 -0700

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