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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(self,dset):
        '''load a dataset from given filename into the object'''
        self.dset_filename = dset
        self.dset = nib.load(dset)
        self.data = self.dset.get_data()
        self.header = self.dset.get_header()