import Rhino
import scriptcontext

# Prompt to select the set of polysurfaces to subract from
first_set_result = Rhino.Input.RhinoGet.GetMultipleObjects("Select the polysurfaces to subract from", False, Rhino.DocObjects.ObjectType.Brep)

# Prompt to select the set of polysurfaces to subtract with
second_set_result = Rhino.Input.RhinoGet.GetMultipleObjects("Select the  polysurfaces to subtract with", False, Rhino.DocObjects.ObjectType.Brep)

# Extract the breps from the object references
first_set = [obj_ref.Brep() for obj_ref in first_set_result[1]]
second_set = [obj_ref.Brep() for obj_ref in second_set_result[1]]

# Create the boolean difference
difference = Rhino.Geometry.Brep.CreateBooleanDifference(first_set, second_set, scriptcontext.doc.ModelAbsoluteTolerance)

# Bake the difference to the document
if difference:
    for brep in difference:
        scriptcontext.doc.Objects.AddBrep(brep)

import rhinoscriptsyntax as rs

# Prompt to select the set of polysurfaces to subract from
first_set_ids = rs.GetObjects("Select the first set of polysurfaces", 16)

# Prompt to select the set of polysurfaces to subtract with
second_set_ids = rs.GetObjects("Select the second set of polysurfaces", 16)

# Perform boolean difference
difference = rs.BooleanDifference(first_set_ids, second_set_ids)