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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 next(self):
 """Get the next value in the page."""

        item = six.next(self._item_iter)
        result = self._item_to_value(self._parent, item)
        # Since we've successfully got the next value from the
        # iterator, we update the number of remaining.
        self._remaining -= 1
        return result