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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 remove(self, key):
        '''
        remove key from the namespace.  it is fine to remove a key multiple times.
        '''
        encodedKey = json.dumps(key)
        sql = 'DELETE FROM ' + self.table + ' WHERE name = %s'
        with self.connect() as conn:
            with doTransaction(conn):
                return executeSQL(conn, sql, args=[encodedKey])