I don't understand what you're trying to do. But I think you have fixed your problem:
Hongyi Zhao <hongyi.z...@gmail.com> writes: > It seems the above code will do the job for me. If I understand correctly this sentence, you now have a satisfactory solution. Good! -- \ “A man must consider what a rich realm he abdicates when he | `\ becomes a conformist.” —Ralph Waldo Emerson | _o__) | Ben Finney -- https://mail.python.org/mailman/listinfo/python-list