Remove Points by id

import toolutils

viewer = toolutils.sceneViewer()

selPts = viewer.selectGeometry()

node = selPts.nodes()[0]

pts = selPts.mergedSelectionString()

listPt = hou.selectedNodes()[0].geometry().globPoints(pts)

idList = []

for i in listPt:

    idList.append(i.attribValue("id"))

idList.sort()

stPattern = ""

for i in range(0,len(idList)):

        if i == len(idList) - 1:

            stPattern += str(idList[i]) + " "

        else:

            if (idList[i-1]+1)!=idList[i] and (idList[i+1]-1)!=idList[i]:

                stPattern += str(idList[i]) + " "

            if (idList[i-1]+1)!=idList[i] and (idList[i+1]-1)==idList[i]:

                stPattern += str(idList[i]) + "-"

            if (idList[i-1]+1)==idList[i] and (idList[i+1]-1)!=idList[i]:

                stPattern += str(idList[i]) + " "

delwrangle = node.parent().createNode("attribwrangle")

delwrangle.setPosition(node.position() + hou.Vector2(0,-1))

delwrangle.setInput(0,node,0)

delwrangle.parm("group").set('@id="'+ stPattern + '"')

delwrangle.parm("snippet").set("removepoint(0,@ptnum);")

delwrangle.setDisplayFlag(1)

delwrangle.setRenderFlag(1)