# # This file contains the Python code from Program 7.16 of # "Data Structures and Algorithms # with Object-Oriented Design Patterns in Python" # by Bruno R. Preiss. # # Copyright (c) 2003 by Bruno R. Preiss, P.Eng. All rights reserved. # # http://www.brpreiss.com/books/opus7/programs/pgm07_16.txt # class OrderedListAsLinkedList(OrderedList): def findPosition(self, obj): ptr = self._linkedList.head while ptr is not None: if ptr.datum == obj: break ptr = ptr.next return self.Cursor(self, ptr) # ...