On Sun, Oct 31, 2021 at 01:32:29PM +1300, Greg Ewing wrote:
> On 31/10/21 5:47 am, Raymond Bisdorff wrote:
> >Should the tuples comparison is in this case, I thought, not be solely
> >based on the first tuple component?
>
> Whether you think it should or shouldn't, the fact is that it's not.
> Th
On 31/10/21 5:47 am, Raymond Bisdorff wrote:
Should the tuples comparison is in this case, I thought, not be solely
based on the first tuple component?
Whether you think it should or shouldn't, the fact is that it's not.
This is documented in Section 5.6 of the Library Reference:
"tuples and l
Dear All,
You are all completely right.
Sorry for the confusion.
Thank you all very much for putting my mind right about this issue.
Best Regards
Raymond Bisdorff
> On 30 Oct 2021, at 19:00, Tim Peters wrote:
>
> [Raymond Bisdorff ]
>> I fully agree with your point. By default, all the com
You are re-assigning the list on line 4 here, not displaying it. I get
the answer you expect when using the `itemgetter(0)` key:
IPython 7.28.0, on CPython 3.9.7 (default, Aug 31 2021 13:28:12)
>>> import operator
>>> from operator import itemgetter
>>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'
[Raymond Bisdorff ]
> I fully agree with your point. By default, all the components of the
> tuple should be used in the comparison.
>
> Yet, I was confused by the following result.
> >>> from operator import itemgetter
> >>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'), (3, 'e')]
> >>> L.sort(ke
Dear All,
I fully agree with your point. By default, all the components of the
tuple should be used in the comparison.
Yet, I was confused by the following result.
>>> from operator import itemgetter
>>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'), (3, 'e')]
>>> L.sort(key=itemgetter(0), rever
Hi,
On Sat, 30 Oct 2021 at 16:23, Raymond Bisdorff
wrote:
> >>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'), (3, 'e')]
> >>> L.sort(reverse=True)
> >>> L
> >>> [(3, 'e'), (2, 'd'), (2, 'b'), (1, 'c'), (1, 'a')]
>
> it should be:
>
> >>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'), (3, 'e')
On 10/30/21 11:46 AM, Raymond Bisdorff wrote:
Dear Python developers,
The help(list) shows in a python console the following documentation
string for the list.sort() method.
sort(self, /, *, key=None, reverse=False)
| Sort the list in ascending order and return None.
|
| The sort
[Raymond Bisdorff ]
> ...
> Please notice the following inconsistency in Python3.10.0 and before of
> a sort(reverse=True) result:
>
> >>> L = [(1, 'a'), (2, 'b'), (1, 'c'), (2, 'd'), (3, 'e')]
> >>> L.sort(reverse=True)
> >>> L
> >>> [(3, 'e'), (2, 'd'), (2, 'b'), (1, 'c'), (1, 'a')]
Looks go
