On Tue, Jun 30, 2020, at 10:57, Guido van Rossum wrote:
> I don't recall why this was done. It seems somewhat odd, since Set and 
> Mapping in the same module do have __eq__. I don't care much for the 
> default implementation though.
> > 
> > Anyway, maybe there is a reason it is not a given. Any thoughts?

One thing that may be worth considering is that tuples and lists with the same 
respective contents are not equal to each other [whereas sets and frozensets 
are]

I do think it might be worthwhile to have a "compare two sequences" [and 
possibly also "hash a sequence", to match the tuple hash without making a 
tuple] building block as a function somewhere, so people could relatively 
easily make their own [perhaps even something like "__eq__ = 
collections.sequence_eq"]
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