Blender Python to select all duplicates of selected object from vertex count and position

duplicateVerts.py

import bpy

objTarget = bpy.context.active_object

for obj in bpy.data.objects:
    isSame = True
    if obj.type != objTarget.type:
        isSame = False
    if len(obj.data.vertices) == len(objTarget.data.vertices) and isSame == True:
        for i,vert in enumerate(obj.data.vertices):
            if isSame == True and objTarget.data.vertices[i].co == vert.co:
                continue
            else:
                isSame = False
    else:
        isSame = False
        
    obj.select_set(isSame)