Cursor lock unity c# script

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Cursorhide : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {
        //Thanks for watching!
        //created by JaspiDiceYT
        //Also you can change the buttons to lock and unlock

        //Hides and locks cursor
        if (Input.GetKeyDown("1"))
        {
            Cursor.visible = false;
            Cursor.lockState = CursorLockMode.Locked;
        }

        //unhides and unlocks cursor
        if (Input.GetKeyDown("2"))
        {
            Cursor.visible = true;
            Cursor.lockState = CursorLockMode.None;
        }
    }
}