(self, root)
| 32 | return root |
| 33 | |
| 34 | def invertTree2(self, root): |
| 35 | if root: |
| 36 | root.left, root.right = self.invertTree(root.right), self.invertTree(root.left) |
| 37 | return root |
| 38 | # interative |
| 39 | def invertTreeInter(self, root): |
| 40 | stack = [root] |
nothing calls this directly
no test coverage detected