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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 hosting_devices_removed(self, context, hosting_data, deconfigure, host):
 """Notify cfg agent that some hosting devices have been removed. This notification informs the cfg agent in <host> that the hosting devices in the <hosting_data> dictionary have been removed from the hosting device pool. The <hosting_data> dictionary also contains the ids of the affected logical resources for each hosting devices:: The <deconfigure> argument is True if any configurations for the logical resources should be removed from the hosting devices """

        if hosting_data:
            self._host_notification(context, 'hosting_devices_removed',
                                    {'hosting_data': hosting_data,
                                     'deconfigure': deconfigure}, host)