Method symmetric_difference_update

crates/vm/src/builtins/set.rs:425–438

(
        &self,
        others: impl core::iter::Iterator<Item = ArgIterable>,
        vm: &VirtualMachine,
    )

    }

    fn symmetric_difference_update(
        &self,
        others: impl core::iter::Iterator<Item = ArgIterable>,
        vm: &VirtualMachine,
    ) -> PyResult<()> {
        for iterable in others {
            // We want to remove duplicates in iterable
            let iterable_set = Self::from_iter(iterable.iter(vm)?, vm)?;
            for item in iterable_set.elements() {
                self.content.delete_or_insert(vm, &item, ())?;
            }
        }
        Ok(())
    }

    fn hash(&self, vm: &VirtualMachine) -> PyResult<PyHash> {
        // Work to increase the bit dispersion for closely spaced hash values.