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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def duplicate(self, password, db, new_db):
 """Duplicate `db' as `new_db`. The super administrator password is required to perform this method. *Python 2:* :raise: :class:`odoorpc.error.RPCError` (access denied / wrong database) :raise: `urllib2.URLError` (connection error) *Python 3:* :raise: :class:`odoorpc.error.RPCError` (access denied / wrong database) :raise: `urllib.error.URLError` (connection error) """

        self._odoo.json(
            '/jsonrpc',
            {'service': 'db',
             'method': 'duplicate_database',
             'args': [password, db, new_db]})