<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def disassociate_hosting_device_with_config_agent( self, client, config_agent_id, hosting_device_id):
 """Disassociates a hosting_device with a config agent."""

        return client.delete((ConfigAgentHandlingHostingDevice.resource_path +
                              CFG_AGENT_HOSTING_DEVICES + "/%s") % (
            config_agent_id, hosting_device_id))