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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 servers(self):
 """gets the federated or registered servers for Portal"""

        url = "%s/servers" % self.root
        return Servers(url=url,
                       securityHandler=self._securityHandler,
                       proxy_url=self._proxy_url,
                       proxy_port=self._proxy_port)