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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 random_rescale_to_mahalanobis(self, x):
 """change `x` like for injection, all on genotypic level"""

        x -= self.mean
        if any(x):
            x *= sum(self.randn(len(x))**2)**0.5 / self.mahalanobis_norm(x)
        x += self.mean
        return x