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class Node def _init_(self, value, children) self.value-value self. children = children exampleTree-Node ( 1 , [Node (2, [] ) , Node (3, [Node (4, [Node

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class Node def _init_(self, value, children) self.value-value self. children = children exampleTree-Node ( 1 , [Node (2, [] ) , Node (3, [Node (4, [Node (5, [1) , Node (6, [Node (7, [ ( ( ) # Objectives # (1) write a function to calculate the sun of every node in a tree (iteratively) def sumNodes (root): pass

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