anydbm and dictionary{} seem like they both have a single key and key
value.
Can't you put more information into a DBM file or link tables? I just
don't see the benefit except for the persistent storage.
d= dbm.open('c:\\temp\\mydb.dat','n')
It has the following interface (key and data are strings):
d[key] = data # store data at key (may override data at
# existing key)
data = d[key] # retrieve data at key (raise KeyError if no
# such key)
del d[key] # delete data stored at key (raises KeyError
# if no such key)
flag = key in d # true if the key exists
list = d.keys() # return a list of all existing keys (slow!)
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