Can anyone help me pick up any bug?

  • 0

    My code is just down here. It gives me the wrong answer nevertheless I cannot find any bug. Could someone please help?

    class Solution(object):

    def path(self, root, sum):
        if not root:
            return False
        elif root.val == sum:
            return True
        return self.path(root.left, sum- root.val) or self.path(root.right, sum - root.val)
    def pathSum(self, root, sum):
        :type root: TreeNode
        :type sum: int
        :rtype: int
        if  root:          
            return self.path(root, sum) + self.pathSum(root.left, sum) + self.pathSum(root.right, sum)
        return 0

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