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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 deriv2(self, p):
 """ Second derivative of the power transform Parameters p : array-like Mean parameters Returns -------- g''(p) : array Second derivative of the power transform of `p` Notes ----- g''(`p`) = `power` * (`power` - 1) * `p`**(`power` - 2) """

        return self.power * (self.power - 1) * np.power(p, self.power - 2)