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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_actor_delaunay(pts, color, **kwargs):
 """ Creates a VTK actor for rendering triangulated plots using Delaunay triangulation. Keyword Arguments: * ``d3d``: flag to choose between Delaunay2D (``False``) and Delaunay3D (``True``). *Default: False* :param pts: points :type pts: vtkFloatArray :param color: actor color :type color: list :return: a VTK actor :rtype: vtkActor """

    # Keyword arguments
    array_name = kwargs.get('name', "")
    array_index = kwargs.get('index', 0)
    use_delaunay3d = kwargs.get("d3d", False)

    # Create points
    points = vtk.vtkPoints()
    points.SetData(pts)

    # Create a PolyData object and add points
    polydata = vtk.vtkPolyData()
    polydata.SetPoints(points)

    # Apply Delaunay triangulation on the poly data object
    triangulation = vtk.vtkDelaunay3D() if use_delaunay3d else vtk.vtkDelaunay2D()
    triangulation.SetInputData(polydata)

    # Map triangulated surface to the graphics primitives
    mapper = vtk.vtkDataSetMapper()
    mapper.SetInputConnection(triangulation.GetOutputPort())
    mapper.SetArrayName(array_name)
    mapper.SetArrayId(array_index)

    # Create an actor and set its properties
    actor = vtk.vtkActor()
    actor.SetMapper(mapper)
    actor.GetProperty().SetColor(*color)

    # Return the actor
    return actor