Actually, I don’t really want the feature. It’s complicated and it doesn’t really fit with the rest of the language (it breaks fundamental rules, as above, and

Actually, I don’t really want the feature. It’s complicated and it doesn’t really fit with the rest of the language (it breaks fundamental rules, as above, and has scoping issues). Worst of all, though, it’s really just another way to write if-elif-else chains that call `isinstance` - a pattern which Python traditionally discouraged in favour of duck-typing.