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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 make_primary(self, user, identity):
 """ Set the specified user as primary for the specified user. :param user: User object or id :param identity: Identity object or id :return: list of user's Identities """

        return UserIdentityRequest(self).put(self.endpoint.make_primary, user, identity)