class_docstr: A `div` that can be edited.
code: def append(self, child: DOMElement):
      if not self._rendered:
          self.render()
      with output.use_tags([self.tag]):
          with output.redirect_to_element(f"#{self.tag}"):
              child.render()
  
imports: from __future__ import annotations
  import abc
  import dataclasses
  import functools
  import sys
  import uuid
  from typing import Any, Union
label_desc: Use image node_id 4 for calling the DynamicDiv obj's underlying member method code with example usage: obj.append(child) without return types