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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 normalize(self, inplace=True):
 """ Normalizes the distribution. In case of a Gaussian Distribution the distribution is always normalized, therefore this method doesn't do anything and has been implemented only for a consistent API across distributions. """

        phi = self if inplace else self.copy()

        # The pdf of a Joint Gaussian distrinution is always
        # normalized. Hence, no changes.
        if not inplace:
            return phi