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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 diff_index(self, index1, index2):
 """ Finds the difference between the indexes index1 and index2. Compares index1 with index2 and returns True if there are any differences or False in case there are no differences. :type index1: Index :type index2: Index :rtype: bool """

        if index1.is_fullfilled_by(index2) and index2.is_fullfilled_by(index1):
            return False

        return True