(tree)
| 31 | |
| 32 | |
| 33 | def get_labels(tree): |
| 34 | # must be returned in the same order as tree logits are returned |
| 35 | # post-order traversal |
| 36 | if tree is None: |
| 37 | return [] |
| 38 | return get_labels(tree.left) + get_labels(tree.right) + [tree.label] |
| 39 | |
| 40 | |
| 41 | class RNTN: |