Commit 1a02986

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Fixed if is not None syntax error.

1 parent cb713c1 commit 1a02986Copy full SHA for 1a02986

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-4

lines changed

-4

lines changed

Lines changed: 6 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -4,9 +4,11 @@ def preOrderTraversal(root):`
`4`	`4`	`while len(stack) > 0:`
`5`	`5`	`current = stack.pop()`
`6`	`6`	`print(current.value)`
`7`		`-`
	`7`	`+`
`8`	`8`	`right = current.right`
`9`		`- stack.insert(0, right) if right is not None`
`10`		`-`
	`9`	`+ if right is not None:`
	`10`	`+ stack.insert(0, right)`
	`11`	`+`
`11`	`12`	`left = current.left`
`12`		`- stack.insert(0, left) if left is not None`
	`13`	`+ if left is not None:`
	`14`	`+ stack.insert(0, left)`

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