code: def request(self, command=None):
          
          node = new_ele('get')
          filter = sub_ele(node, 'filter')
          block = sub_ele(filter, 'oper-data-format-cli-block')
          sub_ele(block, 'cli-show').text = command
  
          return self._request(node)
docs: Run CLI -show commands
          *command* (show) command to run