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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 inverse_deriv(self, z):
 """ Derivative of the inverse of the power transform Parameters z : array-like `z` is usually the linear predictor for a GLM or GEE model. Returns ------- g^(-1)'(z) : array The value of the derivative of the inverse of the power transform function """

        return np.power(z, (1 - self.power)/self.power) / self.power