Message 321515 - Python tracker

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Author	serhiy.storchaka
Recipients	Dan Rose, mark.dickinson, methane, serhiy.storchaka, vstinner
Date	2018-07-12.04:52:16
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1531371136.95.0.56676864532.issue34100@psf.upfronthosting.co.za>
In-reply-to

Content
This is not only with integers. >>> a = ((1, 2), (1, 2)) >>> a[0] is a[1] False >>> a = ('@#$', '@#$') >>> a[0] is a[1] False >>> a = (1.0, 1.0) >>> a[0] is a[1] False The only exception is short ASCII identifier-like strings (as a side effect of interning them): >>> a = ('foo', 'foo') >>> a[0] is a[1] True I'm not sure this is a problem which should be resolved.

This is not only with integers.

>>> a = ((1, 2), (1, 2))
>>> a[0] is a[1]
False
>>> a = ('@#$', '@#$')
>>> a[0] is a[1]
False
>>> a = (1.0, 1.0)
>>> a[0] is a[1]
False

The only exception is short ASCII identifier-like strings (as a side effect of interning them):

>>> a = ('foo', 'foo')
>>> a[0] is a[1]
True

I'm not sure this is a problem which should be resolved.

History
Date	User	Action	Args
2018-07-12 04:52:17	serhiy.storchaka	set	recipients: + serhiy.storchaka, mark.dickinson, vstinner, methane, Dan Rose
2018-07-12 04:52:16	serhiy.storchaka	set	messageid: <1531371136.95.0.56676864532.issue34100@psf.upfronthosting.co.za>
2018-07-12 04:52:16	serhiy.storchaka	link	issue34100 messages
2018-07-12 04:52:16	serhiy.storchaka	create