% python
>>> import anydbm
>>> map = anydbm.open('movie')       # open existing dbm file
>>> map['Batman']                             
'Pow!'
>>> map.keys()
['Joker', 'Robbin', 'Cat-woman', 'Batman']
>>> for key in map.keys(): print key, map[key]
... 
Joker Wham!
Robbin Bang!
Cat-woman Splat!
Batman Pow!
>>> map['Batman'] = 'Ka-Boom!'       # change dictionary again
>>> del map['Robbin']