code: def get_children(self):
          
          for field in self._astroid_fields:
              attr = getattr(self, field)
              if attr is None:
                  continue
              if isinstance(attr, (list, tuple)):
                  yield from attr
              else:
                  yield attr
docs: Get the child nodes below this node.
  
          :returns: The children.
          :rtype: iterable(NodeNG)