code: def add_snmp_community(self, **kwargs):
          
          community = kwargs.pop('community')
          callback = kwargs.pop('callback', self._callback)
  
          config = ET.Element('config')
          snmp_server = ET.SubElement(config, 'snmp-server',
                                      xmlns=("urn:brocade.com:mgmt:"
                                             "brocade-snmp"))
          community_el = ET.SubElement(snmp_server, 'community')
          community_name = ET.SubElement(community_el, 'community')
          community_name.text = community
  
          return callback(config)
docs: Add SNMP Community to NOS device.
  
          Args:
              community (str): Community string to be added to device.
              callback (function): A function executed upon completion of the
                  method.  The only parameter passed to `callback` will be the
                  ``ElementTree`` `config`.
  
          Returns:
              Return value of `callback`.
  
          Raises:
              KeyError: if `community` is not defined.