Method popitem

crates/vm/src/builtins/dict.rs:398–407

(&self, vm: &VirtualMachine)

    #[pymethod]
    fn popitem(&self, vm: &VirtualMachine) -> PyResult<(PyObjectRef, PyObjectRef)> {
        let (key, value) = self.entries.pop_back().ok_or_else(|| {
            let err_msg = vm
                .ctx
                .new_str(ascii!("popitem(): dictionary is empty"))
                .into();
            vm.new_key_error(err_msg)
        })?;
        Ok((key, value))
    }

    #[pyclassmethod]
    fn __class_getitem__(cls: PyTypeRef, args: PyObjectRef, vm: &VirtualMachine) -> PyGenericAlias {