add binary_tree and avl_tree python code

2025-07-23 01:10:06 +08:00 · 2022-12-20 15:52:00 +08:00
parent 2a1bb23990
commit 9eac1275f6
9 changed files with 967 additions and 22 deletions
--- a/codes/python/include/binary_tree.py
+++ b/codes/python/include/binary_tree.py
@ -9,7 +9,7 @@ import collections
 class TreeNode:
    """Definition for a binary tree node
    """    
-    def __init__(self, val=0, left=None, right=None):
+    def __init__(self, val=None, left=None, right=None):
        self.val = val
        self.left = left
        self.right = right