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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 limit(self, count):
 """Create a limited query with this collection as parent. See :meth:`~.firestore_v1beta1.query.Query.limit` for more information on this method. Args: count (int):
 Maximum number of documents to return that match the query. Returns: ~.firestore_v1beta1.query.Query: A limited query. """

        query = query_mod.Query(self)
        return query.limit(count)