Method ass_subscript

crates/vm/src/protocol/mapping.rs:134–141

(
        self,
        needle: &impl AsObject,
        value: Option<PyObjectRef>,
        vm: &VirtualMachine,
    )

    }

    pub fn ass_subscript(
        self,
        needle: &impl AsObject,
        value: Option<PyObjectRef>,
        vm: &VirtualMachine,
    ) -> PyResult<()> {
        self._ass_subscript(needle.as_object(), value, vm)
    }

    fn _subscript(self, needle: &PyObject, vm: &VirtualMachine) -> PyResult {
        let f =