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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 _bigger(interval1, interval2):
 """ Return interval with bigger cardinality Refer Section 3.1 :param interval1: first interval :param interval2: second interval :return: Interval or interval2 whichever has greater cardinality """

        if interval2.cardinality > interval1.cardinality:
            return interval2.copy()
        return interval1.copy()