In article <XnsA2E95FA1E1EB6duncanbooth@127.0.0.1>, Duncan Booth <duncan.booth@invalid.invalid> wrote:
> 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? > > If I say: > > a = ("spam", [10, 30], "eggs") > > then > > a[0] = a[0] > > won't actually mutate the object. So tuples could let that silently pass. But, why would you want them to? What a way to introduce bugs which are difficult to test for. -- https://mail.python.org/mailman/listinfo/python-list