| 2 | |
| 3 | # Definition for a binary tree node. |
| 4 | class TreeNode: |
| 5 | def __init__(self, x): |
| 6 | self.val = x |
| 7 | self.left = None |
| 8 | self.right = None |
| 9 | |
| 10 | class LevelOrderTraversal: |
| 11 | def level_order(self, root): |
nothing calls this directly
no outgoing calls
no test coverage detected