Method append

crates/vm/src/builtins/list.rs:183–185

(&self, x: PyObjectRef)

impl PyList {
    #[pymethod]
    pub(crate) fn append(&self, x: PyObjectRef) {
        self.borrow_vec_mut().push(x);
    }

    #[pymethod]
    pub(crate) fn extend(&self, x: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {