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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 _set_zfcp_config_files(self, fcp, target_wwpn, target_lun):
 """ubuntu zfcp configuration """

        host_config = '/sbin/chzdev zfcp-host %s -e' % fcp

        device = '0.0.%s' % fcp
        target = '%s:%s:%s' % (device, target_wwpn, target_lun)
        disk_config = '/sbin/chzdev zfcp-lun %s -e\n' % target
        return '\n'.join((host_config,
                          disk_config))