Update and rename tree_bfs.py to bt_bfs.py

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marina 2023-08-03 13:20:29 -07:00 committed by GitHub
parent 9d1aa92451
commit 070071e687
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@ -2,11 +2,8 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# author: bt3gl # author: bt3gl
# Given the root of a binary tree, return the level order traversal of its nodes' values.
# (i.e., from left to right, level by level).
def level_order(root: Optional[Node]) -> list[list[int]]:
def level_order(root: Optional[TreeNode]) -> list[list[int]]:
if root is None: if root is None:
return [] return []