It is great that you solved the challenge, but instead of posting your full working solution, it is best to stay focused on answering the original poster’s question(s) and help guide them with hints and suggestions to solve their own issues with the challenge.
No, do not do this. Only do exactly what the instructions ask you to do and no more. Even making the slightest change to something that you were not asked to change or adding something that you were not asked to add may cause the test to fail.