- Type a value in the relevant field before performing the operation.
- Use Insert At Head to add a new node before the current first node.
- Use Insert At Tail to append a new node after the last node.
- Use Insert At Node when you want to insert a value after an existing index position; the index refers to the current node position.
- Use Remove to delete the node whose value matches the entered number.
- Click Submit to check whether your list matches the required answer.
- Click Reset to restore the current problem to its starting state.
- Click New Problem to generate a fresh challenge.
Observations