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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 QueryItemsChangeFeed(self, collection_link, options=None):
 """Queries documents change feed in a collection. :param str collection_link: The link to the document collection. :param dict options: The request options for the request. options may also specify partition key range id. :return: Query Iterable of Documents. :rtype: query_iterable.QueryIterable """


        partition_key_range_id = None
        if options is not None and 'partitionKeyRangeId' in options:
            partition_key_range_id = options['partitionKeyRangeId']

        return self._QueryChangeFeed(collection_link, "Documents" , options, partition_key_range_id)