List replace by condition to Empty List Item

[c.poupin]

@ruben.romero

I am curious, with DesignScript, is possible to compress that code with few lines? too many “{ }” symbols.

this kind of answer is not acceptable on a forum where you are offered help, and avoid create multiple topics with same questions

How to get help on the Dynamo forums

Here are some more additions. First, do not ask anyone to do your job! This is a help forum to ask for help with things that you cannot figure out on your own, but actually tried. Most important, please remember always come back if anyone is trying to help you. If your graph provides you an error messages, please reveal the content of it as a part of the image. Please put ‘Watch’ nodes and notes in the graph describing what essential parts does. The notes will help you to remember what you did…