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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 ReadAttachments(self, document_link, options=None):
 """Reads all attachments in a document. :param str document_link: The link to the document. :param dict options: The request options for the request. :return: Query Iterable of Attachments. :rtype: query_iterable.QueryIterable """

        if options is None:
            options = {}

        return self.QueryAttachments(document_link, None, options)