Question: from AVLNode import AVLNode class ExtendedAVLNode ( AVLNode ) : def _ _ init _ _ ( self , node _ key ) : super

from AVLNode import AVLNode
class ExtendedAVLNode(AVLNode):
def __init__(self, node_key):
super().__init__(node_key)
self.subtree_key_count =1
def get_subtree_key_count(self):
return self.subtree_key_count
def update_subtree_key_count(self):
self.subtree_key_count =1
if self.left:
self.subtree_key_count += self.left.subtree_key_count
if self.right:
self.subtree_key_count += self.right.subtree_key_count \

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