Hope Rouselle writes:
> Hope Rouselle writes:
>
>> Dennis Lee Bieber writes:
>>
>>> On Sun, 15 Aug 2021 00:05:29 -0300, Jack Brandom
>>> declaimed the following:
>>>
Dennis Lee Bieber writes:
>>>
> subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
> sliceop: ':' [te
Hope Rouselle writes:
> Dennis Lee Bieber writes:
>
>> On Sun, 15 Aug 2021 00:05:29 -0300, Jack Brandom
>> declaimed the following:
>>
>>>Dennis Lee Bieber writes:
>>>
>>
subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
sliceop: ':' [test]
>>
>>>
>>>This is looking less re
Dennis Lee Bieber writes:
> On Sun, 15 Aug 2021 00:05:29 -0300, Jack Brandom
> declaimed the following:
>
>>Dennis Lee Bieber writes:
>>
>
>>> subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
>>> sliceop: ':' [test]
>
>>
>>This is looking less readable, so, no, I prefer that previous
On Sun, 15 Aug 2021 00:05:29 -0300, Jack Brandom
declaimed the following:
>Dennis Lee Bieber writes:
>
>> subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
>> sliceop: ':' [test]
>
>This is looking less readable, so, no, I prefer that previous, which was
>much clearer about slices.
Dennis Lee Bieber writes:
> On Wed, 11 Aug 2021 11:59:11 -0300, Jack Brandom
> declaimed the following:
>
>>
>>Where are these production rules coming from? They're not at
>>
>> https://docs.python.org/3/reference/grammar.html
>>
>>The word ``stride'' doesn't appear in this grammar.
>
>
On 11/08/2021 20.17, dn wrote:
I've been trying to remember if we had negative-steps in FORTRAN
do-loops
My text for Fortran 77 (the last version that I ever used) says
that negative increments are supported.
Ref: _FORTRAN 77: Language and Style_; Michael J. Merchant;
Wadsworth Publishing Co
On Thu, 12 Aug 2021 13:17:32 +1200, dn via Python-list
declaimed the following:
>I've been trying to remember if we had negative-steps in FORTRAN
>do-loops especially once the capability to define subscripting-ranges
>came 'in' (but can't be bothered researching further). If it was
>available, o
On 12/08/2021 10.32, Dennis Lee Bieber wrote:
> On Wed, 11 Aug 2021 11:59:11 -0300, Jack Brandom
> declaimed the following:
>> Where are these production rules coming from? They're not at
>> https://docs.python.org/3/reference/grammar.html
>> The word ``stride'' doesn't appear in this grammar.
On 12/08/2021 02.59, Jack Brandom wrote:
> dn writes:
>
...
>> Also, whereas I prefer to illustrate 'how it works', I perceive that you
>> are used to learning 'rules' and only thereafter their application (the
>> teaching-practice under which most of us learned) - so, another reason
>> for mixi
On Wed, 11 Aug 2021 11:59:11 -0300, Jack Brandom
declaimed the following:
>
>Where are these production rules coming from? They're not at
>
> https://docs.python.org/3/reference/grammar.html
>
>The word ``stride'' doesn't appear in this grammar.
>
Possibly from older versions of the g
dn writes:
> Apologies for lateness.
That's alright. Thanks for the marvelous post.
> Coincidentally, I've been asked to speak to our local Python Users'
> Group on slicing. Herewith an attempt to modify those demos around your
> data/question. Apologies if the result is thus somewhat lacking
Apologies for lateness.
Coincidentally, I've been asked to speak to our local Python Users'
Group on slicing. Herewith an attempt to modify those demos around your
data/question. Apologies if the result is thus somewhat lacking in flow.
Also, whereas I prefer to illustrate 'how it works', I percei
Chris Angelico writes:
> On Tue, Aug 10, 2021 at 7:24 AM Jack Brandom wrote:
>>
>> Greg Ewing writes:
>>
>> > On 6/08/21 12:00 pm, Jack Brandom wrote:
>> >> It seems
>> >> that I'd begin at position 3 (that's "k" which I save somewhere), then I
>> >> subtract 1 from 3, getting 2 (that's "c", wh
On Tue, Aug 10, 2021 at 7:24 AM Jack Brandom wrote:
>
> Greg Ewing writes:
>
> > On 6/08/21 12:00 pm, Jack Brandom wrote:
> >> It seems
> >> that I'd begin at position 3 (that's "k" which I save somewhere), then I
> >> subtract 1 from 3, getting 2 (that's "c", which I save somewhere), then
> >> I
Greg Ewing writes:
> On 6/08/21 12:00 pm, Jack Brandom wrote:
>> It seems
>> that I'd begin at position 3 (that's "k" which I save somewhere), then I
>> subtract 1 from 3, getting 2 (that's "c", which I save somewhere), then
>> I subtract 1 from 2, getting 1 (that's "a", ...), then I subtract 1 f
On 6/08/21 12:00 pm, Jack Brandom wrote:
It seems
that I'd begin at position 3 (that's "k" which I save somewhere), then I
subtract 1 from 3, getting 2 (that's "c", which I save somewhere), then
I subtract 1 from 2, getting 1 (that's "a", ...), then I subtract 1 from
1, getting 0 (that's J, ...),
On Sat, Aug 7, 2021 at 5:22 AM Boris Dorestand wrote:
>
> Jach Feng writes:
>
> >> > s = "Jack Brandom"
> >> > s[3 : -13 : -1]
> >> >> 'kcaJ'
> >> >> I have no idea how to replace that -13 with a positive index. Is it
> >> >> possible at all?
> > That's not possible because a positive ind
Jach Feng writes:
>> > s = "Jack Brandom"
>> > s[3 : -13 : -1]
>> >> 'kcaJ'
>> >> I have no idea how to replace that -13 with a positive index. Is it
>> >> possible at all?
> That's not possible because a positive index is relative to the leftmost item > 0
And the middle index is al
> > s = "Jack Brandom"
> > s[3 : -13 : -1]
> >> 'kcaJ'
> >> I have no idea how to replace that -13 with a positive index. Is it
> >> possible at all?
That's not possible because a positive index is relative to the leftmost item 0
Below is some rules of slice usage which I collected so
"Michael F. Stemper" writes:
> On 05/08/2021 12.35, Jack Brandom wrote:
>> The FAQ at
>>https://docs.python.org/3/faq/programming.html#what-s-a-negative-index
>> makes me think that I can always replace negative indices with
>> positive
>> ones --- even in slices, although the FAQ seems not t
On 05/08/2021 12.35, Jack Brandom wrote:
The FAQ at
https://docs.python.org/3/faq/programming.html#what-s-a-negative-index
makes me think that I can always replace negative indices with positive
ones --- even in slices, although the FAQ seems not to say anything
about slices.
With slices, i
The FAQ at
https://docs.python.org/3/faq/programming.html#what-s-a-negative-index
makes me think that I can always replace negative indices with positive
ones --- even in slices, although the FAQ seems not to say anything
about slices.
With slices, it doesn't seem to always work. For insta
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