import anydbm

db = anydbm.open('test.dbm', 'c')
db['apple'] = '1'
db['banana'] = '2'
db['orange'] = '3'
print db.first()
(key, data) = db.first()
del db[key]
print db.first()
db.close()


##Sample output:
##>>> 
##('orange', '3')
##Traceback (most recent call last):
##  File "C:/My Documents/Dan/Python/dbmBug.py", line 10, in ?
##    print db.first()
##  File "C:\PROGRAM FILES\PYTHON24\lib\bsddb\__init__.py", line 263, in first
##    self._checkCursor()
##  File "C:\PROGRAM FILES\PYTHON24\lib\bsddb\__init__.py", line 180, in _checkCursor
##    self.dbc.set(self.saved_dbc_key)
##DBNotFoundError: (-30990, 'DB_NOTFOUND: No matching key/data pair found')