Q about object identity
tgrav at mac.com
Fri Jun 6 23:15:42 CEST 2008
On Jun 6, 2008, at 4:27 PM, Ethan Furman wrote:
> vronskij at gmail.com wrote:
>> I am testing object identity.
>> If I do it from the interpreter, I get strange results.
>>>>> *print  is *
>>>>> print id(), id()
>> 3083942700 3083942700
>> Why is that? Isn't this an error?
in the first statement the two 's are in memory at the same
time and have different id() signatures. For the second statement
the first id() is evaluated and release from memory and then
the second id() is evaluated and release from memory. Since
only one of them exist at a time they can have the same id()
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