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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 os_deployment_servers(self):
 """ Gets the Os Deployment Servers API client. Returns: OsDeploymentServers: """

        if not self.__os_deployment_servers:
            self.__os_deployment_servers = OsDeploymentServers(self.__connection)
        return self.__os_deployment_servers