(and a check on the length or zip_longest to ensure that there is no
other items)
Le sam. 2 mai 2020 à 18:53, Antoine Rozo <antoine.r...@gmail.com> a écrit :
>
> And if you can't / don't want to create new lists for the values you
> want to compare, a solution could be to use zip & all builtins:
>
> print(all(a == b for a, b in zip(tuple_, list_)))
>
> Le sam. 2 mai 2020 à 16:58, Steele Farnsworth <swfarnswo...@gmail.com> a
> écrit :
> >
> > You can get the desired behavior by casting a list to a tuple, or a tuple
> > to a list, in the equality statement. That way those that rely on the
> > existing implementation don't have to change their code.
> >
> > my_tup = (1, 2, 3)
> > my_list = [1, 2, 3]
> > print(list(my_tup) == my_list)
> >
> > On Sat, May 2, 2020, 9:04 AM Ahmed Amr <ahmedam...@gmail.com> wrote:
> >>
> >> I'd like to take your opinion on modifying some of the indexed collections
> >> like tuples, lists, arrays to evaluate its equality to True when having
> >> the same items in the same indexes.
> >> Currently, when comparing a list of items to an array of the same items
> >> for equality (==) it returns False, I'm thinking that it would make sense
> >> to return True in that context, as we're comparing item values and we have
> >> the same way of indexing both collections, so we can compare item values.
> >>
> >> So what do you think about applying such behavior on collections that can
> >> be indexed the same way such as tuples, lists, and arrays?
> >>
> >> Example: (Current)
> >>
> >> import array
> >> tuple_ = (1.1, 2.2, 3.3)
> >> list_ = [1.1, 2.2, 3.3]
> >> array_ = array.array('f', [1.1, 2.2, 3.3])
> >>
> >> # all of the following prints False.
> >> print(tuple_ == list_)
> >> print(tuple_ == array_)
> >> print(array_ == list_)
> >>
> >> Example: (Proposed):
> >> All prints above to show True as they are populated with the same data in
> >> the same indexes.
> >>
> >> A Side Note:
> >> An extra point to discuss, based on arrays implementation,
> >> array_.to_list() would actually get [1.100000023841858, 2.200000047683716,
> >> 3.299999952316284] which is not exactly what we've passed as args and this
> >> is normal, but I'm thinking about leaving it to the array implementation
> >> to encapsulate that implementation and perform exact equality based on
> >> passed arguments.
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> >
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>
>
> --
> Antoine Rozo
--
Antoine Rozo
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