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From: Ben Finney <ben+python@benfinney.id.au>
Subject: Re: Tuples and immutability
Date: Fri, 07 Mar 2014 22:04:28 +1100
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Xref: csiph.com comp.lang.python:67988

Duncan Booth <duncan.booth@invalid.invalid> writes:

> Is there any reason why tuples need to throw an exception on assigning
> to the element if the old value and new value are the same object?

Special cases aren't special enough to break the rules.

-- 
 \           “I do not believe in forgiveness as it is preached by the |
  `\        church. We do not need the forgiveness of God, but of each |
_o__)                    other and of ourselves.” —Robert G. Ingersoll |
Ben Finney