Why do these statements evaluate the way they do?

From	Anthony Papillion <anthony@cajuntechie.org>
Newsgroups	comp.lang.python
Subject	Why do these statements evaluate the way they do?
Date	2016-05-07 01:36 -0500
Message-ID	<mailman.446.1462603041.32212.python-list@python.org> (permalink)
References	<9D4F2568-405C-419B-9B18-7376B34143CD@cajuntechie.org>

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I'm trying to figure out why the following statements evaluate the way they do and I'm not grasping it for some reason. I'm hoping someone can help me.

40+2 is 42 #evaluates to True
But
2**32 is 2**32 #evaluates to False

This is an example taken from a Microsoft blog on the topic. They say the reason is because the return is based on identity and not value but, to me, these statements are fairly equal.

Can someone clue me in?

Anthony
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.

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Why do these statements evaluate the way they do? Anthony Papillion <anthony@cajuntechie.org> - 2016-05-07 01:36 -0500
  Re: Why do these statements evaluate the way they do? Steven D'Aprano <steve@pearwood.info> - 2016-05-07 20:05 +1000

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