#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Updating counts.
     """
     #end_pymotw_header
     
     import collections
     
     c = collections.Counter()
     print 'Initial :', c
     
     c.update('abcdaab')
     print 'Sequence:', c
     
     c.update({'a':1, 'd':5})
     print 'Dict    :', c