Help. Asap 46 lines (36 sloC) 985 Bytes123456789#Given a binary tree, find the deepest node# that is the left child of its parent node.# Example:# 1# /# 2# / \# 4 53101112# 713 # should return 4.1415161718192021222324 def find_deepest_left(root, is_left, depth, res):25if not root:262728293031323334 if __name__ == '_____main__':35root = TreeNode (1)36root.left = TreeNode (2)37root.right = TreeNode (3)3839404142434445466from tree.tree import TreeNodeclass Deepest Left:def __init__(self):self.depth = 0self. Node = Nonereturnif is left and depth>res.depth:res.depth =res. Node = rootfind_deepest_left(root.left, True, depth + 1, res)find_deepest_left(root.right, False, depth + 1, res)depthroot.left.left = TreeNode (4)root.left.right = TreeNode (5)root.right.right = TreeNode (6)root.right.right.right = TreeNode (7)res= Deepest Left()find_deepest_left(root, True, 1, res)if res.Node:print (res.Node.val)Raw Blame

The TreeNode class is defined to represent a node in the tree. Each node has a value and references…

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Computer Science

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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#Given a binary tree, find the deepest node
# that is the left child of its parent node.
# Example:
# 1
# /
# 2
# / \
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# 7
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24 def find_deepest_left(root, is_left, depth, res):
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if not root:
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root = TreeNode (1)
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root.left = TreeNode (2)
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root.right = TreeNode (3)
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from tree.tree import TreeNode
class Deepest Left:
def __init__(self):
self.depth = 0
self. Node = None
return
if is left and depth>res.depth:
res.depth =
res. Node = root
find_deepest_left(root.left, True, depth + 1, res)
find_deepest_left(root.right, False, depth + 1, res)
depth
root.left.left = TreeNode (4)
root.left.right = TreeNode (5)
root.right.right = TreeNode (6)
root.right.right.right = TreeNode (7)
res= Deepest Left()
find_deepest_left(root, True, 1, res)
if res.Node:
print (res.Node.val)
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