How do I print a list referencing another list?

Question

I have a function to refer to lists, but cannot get it to print the new list
https://code.sololearn.com/cCYLXbHLTV5F/?ref=app

Answer 1

You need it to return the value, like here

https://code.sololearn.com/crQohQPlZtRJ/?ref=app

Answer 2

Thank you Thomas Williams - I was so close just forgot the return! and thank you Jay Matthews for showing me how to build the row using append