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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 make_tb2rad_lut(self, filepath, normalized=True):
 """Generate a Tb to radiance look-up table"""

        tb_ = np.arange(TB_MIN, TB_MAX, self.tb_resolution)
        retv = self.tb2radiance(tb_, normalized=normalized)
        rad = retv['radiance']
        np.savez(filepath, tb=tb_, radiance=rad)