Python Execution SynchronizerActive Line: 1
1
def invert_tree(root):
2
if root is None:
3
return None
4
5
root.left, root.right = root.right, root.left
6
7
invert_tree(root.left)
8
invert_tree(root.right)
9
10
return root
No execution event recorded.
Loading trace state...
Step 0 / 0