Exception in random numbering node

[Yna_Db]

A good explanation can be found in this post:

Revit API & python relations

Hi sajo We know it’s overwhelming, but you are more likely to get quick responses if you break these questions down into separate posts/subjects. In any case, I will try to touch on some of the points: What does the first four similar lines of every script do…? See comments below import clr # imports Common Language Runtime library .This will serve as a bridge between python and the .NET wold # See this: http://ironpython.net/documentation/dotnet/dotnet.html clr.AddReference('Proto…