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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 _compute_magnitude_scaling_term(self, C, mag):

 """
 Compute and return magnitude scaling term in equation 2,
 page 970.
 """

        c1 = self.CONSTS['c1']
        if mag <= c1:
            return C['b1'] + C['b2'] * (mag - c1) + C['b3'] * (8.5 - mag) ** 2
        else:
            return C['b1'] + C['b7'] * (mag - c1) + C['b3'] * (8.5 - mag) ** 2