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Clarification on Immutability please

On 2020-01-21, Chris Angelico <rosuav at> wrote:
> On Wed, Jan 22, 2020 at 4:42 AM Stephen Tucker <stephen_tucker at> wrote:
>> I am left concluding that mytup is not actually a tuple (even though type
>> (mytup) tells me that it is).
> If type(mytup) is tuple, then mytup really truly is a tuple. There is
> no other conclusion.
>> My only explanation is that mytup is, actually, a pointer to a tuple; the
>> pointer can't change, but the contents of that pointer (or the data to
>> which the pointer points) can change.
> Incorrect. Python simply doesn't have that concept.

It's a bit weird that you took the bit where he realised exactly what
is actually happening and replied "incorrect".