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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 get_service(self, name):
 """ Retrieve a stored ServiceConfig from the keychain or exception :param name: the service name to retrieve :type name: str :rtype ServiceConfig :return the configured Service """

        self._convert_connected_app()
        if not self.project_config.services or name not in self.project_config.services:
            self._raise_service_not_valid(name)
        if name not in self.services:
            self._raise_service_not_configured(name)

        return self._get_service(name)