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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 union(self, other):
 """Union of two DStreams. :param DStream other: Another DStream. Example: [1, 2] [3, 4] [5, 6] """

        def union_rdds(rdd_a, rdd_b):
            return self._context._context.union((rdd_a, rdd_b))

        return self.transformWith(union_rdds, other)