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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 enable_root_user(self):
 """ Enables login from any host for the root user and provides the user with a generated root password. """

        uri = "/instances/%s/root" % self.id
        resp, body = self.manager.api.method_post(uri)
        return body["user"]["password"]