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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 data(self):
 """Return the examples in the dataset in order, sorted, or shuffled."""

        if self.sort:
            xs = sorted(self.dataset, key=self.sort_key)
        elif self.shuffle:
            xs = [self.dataset[i] for i in self.random_shuffler(range(len(self.dataset)))]
        else:
            xs = self.dataset
        return xs