Method appendleft

crates/vm/src/stdlib/_collections.rs:82–89

(&self, obj: PyObjectRef)

        #[pymethod]
        fn appendleft(&self, obj: PyObjectRef) {
            self.state.fetch_add(1);
            let mut deque = self.borrow_deque_mut();
            if self.maxlen == Some(deque.len()) {
                deque.pop_back();
            }
            deque.push_front(obj);
        }

        #[pymethod]
        fn clear(&self) {