[Python-Dev] About .append == .append
Guido van Rossum
guido at python.org
Fri Jun 22 14:44:07 EDT 2018
On Fri, Jun 22, 2018 at 9:43 AM Steven D'Aprano <steve at pearwood.info> wrote:
> On Fri, Jun 22, 2018 at 08:13:44AM -0700, Guido van Rossum wrote:
> > Honestly it looks to me like the status quo is perfect.
> Does this example work for you?
> py> (17.1).hex == (17.1).hex
> py> a = 17.1
> py> b = 17.1
> py> a.hex == b.hex
> I know why it happens -- at the REPL, the interpreter uses the same
> object for both 17.1 instances when they're part of the same statement,
> but not when they're on separate lines. I just don't know whether this
> is desirable or not.
But there's nothing new about that example. It's just the same as the issue
that sometimes `1 is 1` and sometimes it isn't.
--Guido van Rossum (python.org/~guido)
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