What other languages use the same data model as Python?

[John Nagle]

On 5/5/2011 3:06 AM, Gregory Ewing wrote:
> John Nagle wrote:
>
>> A reasonable compromise would be that "is" is treated as "==" on
>> immutable objects.
>
> That wouldn't work for tuples, which can contain references
> to other objects that are not immutable.

     Such tuples are still identical, even if they
contain identical references to immutable objects.

				John Nagle