code: def absolute_address(self):
          
          if self.parent and not isinstance(self.parent, RootNode):
              return self.parent.absolute_address + self.address_offset
          else:
              return self.address_offset
docs: Get the absolute byte address of this node.
  
          Indexes of all arrays in the node's lineage must be known
  
          Raises
          ------
          ValueError
              If this property is referenced on a node whose array lineage is not
              fully defined