Very simple python recursive tranverse

  • 0
    class Solution(object):
        def mergeTrees(self, t1, t2):
            :type t1: TreeNode
            :type t2: TreeNode
            :rtype: TreeNode
            if t1 is None:
                return t2
            elif t2 is None:
                return t1
  , t2)
            return t1
        def help(self, t1, t2):
            t1.val += t2.val
            if t2.left is not None:
                if t1.left is None:
                    t1.left = TreeNode(0)
      , t2.left)
            if t2.right is not None:
                if t1.right is None:
                    t1.right = TreeNode(0)
      , t2.right)

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