for / while else doesn't make sense

[MRAB]

On 2016-05-23 02:00, Jon Ribbens wrote:
> On 2016-05-23, Chris Angelico <rosuav at gmail.com> wrote:
>> On Mon, May 23, 2016 at 10:36 AM, Jon Ribbens
>><jon+usenet at unequivocal.co.uk> wrote:
>>> On 2016-05-22, Steven D'Aprano <steve at pearwood.info> wrote:
>>>> On Mon, 23 May 2016 01:52 am, Jon Ribbens wrote:
>>>>> On 2016-05-22, Steven D'Aprano <steve at pearwood.info> wrote:
>>>>>> How is this any better though? Complicated or not, people want to divide
>>>>>> 1 by 2 and get 0.5. That is the functional requirement. Furthermore, they
>>>>>> want to use the ordinary division symbol / rather than having to import
>>>>>> some library or call a function.
>>>>>
>>>>> That's a circular argument. You're defining the result as the
>>>>> requirement and then saying that proves the result is necessary.
>>>>> Clearly, people managed when 1/2 returned 0, and continue to do so
>>>>> today in Python 2 and other languages.
>>>>
>>>> I'm not defining the result. 4000+ years of mathematics defines the result.
>>>
>>> OK, I'm bored of you now. You clearly are not willing to imagine
>>> a world beyond your own preconceptions. I am not saying that my view
>>> is right, I'm just saying that yours is not automatically correct.
>>> If you won't even concede that much then this conversation is pointless.
>>
>> The point of arithmetic in software is to do what mathematics defines.
>> Would you expect 1+2 to return 5? No. Why not? Where was the result
>> defined?
>
> Are you trying to compete with him for the Missing The Point Award?
>
The relevant doc is PEP 238, dating to March 2001, when Python 2.2 was new.