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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 load_stats(self, fdump):
 """ Load the data from a dump file. The argument `fdump` can be either a filename or an open file object that requires read access. """

        if isinstance(fdump, type('')):
            fdump = open(fdump, 'rb')
        self.index = pickle.load(fdump)
        self.snapshots = pickle.load(fdump)
        self.sorted = []