If you try a step three times a button will appear that will automatically create a post with a link to the step your on, your code so far and can be edited before posting to include your question or explanation of what you need help with.
After copy and pasting the code you have given, it passed for me.
But I also added ‘checked’ to the first checkbox.
If you added ‘checked’ to both inputs,
this is what you should see in the preview