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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 _get_magnitude_term(self, C, mag):
 """ Returns the magnitude scaling term. """

        lny = C['C1'] + (C['C3'] * ((8.5 - mag) ** 2.))
        if mag > 6.3:
            return lny + (-C['H'] * C['C5']) * (mag - 6.3)
        else:
            return lny + C['C2'] * (mag - 6.3)