On 06/03/2015 10:00 AM, BartC wrote:
> The others all give True in all cases. It seems that older Python
> versions have a purer object model.
No. It's just an under-the-hood optimization that the interpreter is
making. It's an implementation detail that you should never rely on.
It says nothing about the purity of the object model. Immutable objects
can be optimized ("interred" is the word often used) by reusing the same
object over and over when the interpreter can.
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