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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 reduce_dimensionality(self, data):
 """ Reduces the dimensionality of the provided Instance or Instances object. :param data: the data to process :type data: Instances :return: the reduced dataset :rtype: Instances """

        if type(data) is Instance:
            return Instance(
                javabridge.call(
                    self.jobject, "reduceDimensionality",
                    "(Lweka/core/Instance;)Lweka/core/Instance;", data.jobject))
        else:
            return Instances(
                javabridge.call(
                    self.jobject, "reduceDimensionality",
                    "(Lweka/core/Instances;)Lweka/core/Instances;", data.jobject))