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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 list_hosting_device_handled_by_config_agent( self, client, cfg_agent_id, **_params):
 """Fetches a list of hosting devices handled by a config agent."""

        return client.get((ConfigAgentHandlingHostingDevice.resource_path +
                           CFG_AGENT_HOSTING_DEVICES) % cfg_agent_id,
                          params=_params)