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From: Lie Ryan <lie.1296@gmail.com>
Subject: Re: help me get excited about python 3
Date: Thu, 05 Jan 2012 19:51:28 +1100
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:18543

On 01/05/2012 03:41 PM, Evan Driscoll wrote:
> On 1/4/2012 9:56 AM, Sean Wolfe wrote:
>> I am still living in the 2.x world because all the things I want to do
>> right now in python are in 2 (django, pygame). But I want to be
>> excited about the future of the language. I understand the concept of
>> needing to break backwards compatibility. But it's not particularly
>> exciting to think about. What are the cool new bits I should be
>> reading up on?
> This should be enough to convince you:
>
> ~ : python
> Python 2.7.1 (r271:86832, May  3 2011, 10:31:28)
>>>> 1<  "1"
> True
>
> ~ : python3
> Python 3.2 (r32:88445, May  3 2011, 13:26:55)
>>>> 1<  "1"
> Traceback (most recent call last):
>    File "<stdin>", line 1, in<module>
> TypeError: unorderable types: int()<  str()
>
> Maybe with Python 4, '1<  True' will give a TypeError too ;-).
>
>
> Or if that's not enough,
>
> ~ : python
> Python 2.7.1 (r271:86832, May  3 2011, 10:31:28)
>>>> True, False = False, True
>>>> "True is " + ("True" if True else "False")
> 'True is False'
>
> ~ : python3
> Python 3.2 (r32:88445, May  3 2011, 13:26:55)
>>>> True, False = False, True
>    File "<stdin>", line 1
> SyntaxError: assignment to keyword

Somehow I could hear Sean saying something like: "Yeah... and so?"