code: def __eq__(self, other):
      is_subtree_equal = True
      if not isinstance(other, AbstractExpression):
          return False
      if self.get_children_count() != other.get_children_count():
          return False
      for child1, child2 in zip(self.children, other.children):
          is_subtree_equal = is_subtree_equal and (child1 == child2)
      return is_subtree_equal
  
imports: from abc import ABC, abstractmethod
  from collections import deque
  from copy import deepcopy
  from enum import IntEnum, auto, unique
  from typing import Any
label_desc: Use image node_id 10 for calling the AbstractExpression obj's underlying member method code with example usage: obj.__eq__(other) and returns: is_subtree_equal, False, False