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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_dat(self, delimiter=','):
 """ Load the dat file into internal data structures, ``self._data`` """

        try:
            data = np.loadtxt(self._dat_file, delimiter=',')
        except ValueError:
            data = np.loadtxt(self._dat_file)

        self._data = data