Floor by model line - several time

Hi all,
I defined this simple script to use revit selection on model lines to define floor, i found this faster than use pick line in revit.
But i have one big problem, for me is necessary use and reuse the script several times without restart dynamo each time.
Is it possible?

Use Dynamo Player.

great…it saves a lot of time…thanks
do you think is it possible to modify this script in a way to define a big selection with multiple line and use internal lines to divide the “master floor”?