23 lines
305 B
Python
23 lines
305 B
Python
|
class TreeNode:
|
||
|
|
|
||
|
|
def __init__(self, val):
|
||
|
|
|
||
|
|
self.val = val
|
||
|
|
self.left = None
|
||
|
|
self.right = None
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def isSymmetric(root):
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
root = TreeNode(0)
|
||
|
|
root.left = TreeNode(2)
|
||
|
|
root.right = TreeNode(2)
|
||
|
|
root.left.left = TreeNode(3)
|
||
|
|
root.right.right = TreeNode(3)
|
||
|
|
|
||
|
|
|
||
|
|
print(isSymmetric(root))
|