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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 rename(self, new_id):
 """ Renames the DatabaseObject to have ID_KEY new_id. This is the only way allowed by DatabaseObject to change the ID_KEY of an object. Trying to modify ID_KEY in the dictionary will raise an exception. @param new_id: the new value for ID_KEY NOTE: This is actually a create and delete. WARNING: If the system fails during a rename, data may be duplicated. """

        old_id = dict.__getitem__(self, ID_KEY)
        dict.__setitem__(self, ID_KEY, new_id)
        self._collection.save(self)
        self._collection.remove({ID_KEY: old_id})