Created
January 30, 2023 17:17
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| res = [] | |
| def inorder(root): | |
| if not root: | |
| return | |
| inorder(root.left) | |
| res.append(root.val) | |
| inorder(root.right) | |
| def preorder(root): | |
| if not root: | |
| return | |
| preorder(root.left) | |
| preorder(root.right) | |
| res.append(root.val) | |
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