Tell us what’s happening:
Describe your issue in detail here.
no code problem, just curious if the preview screen is suppose to be blank
Your code so far
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Challenge Information:
Learn Functional Programming by Building a Spreadsheet - Step 9