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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 inband_solarirradiance(self, rsr, scale=1.0, **options):
 """Derive the inband solar irradiance for a given instrument relative spectral response valid for an earth-sun distance of one AU."""


        return self._band_calculations(rsr, False, scale, **options)