I mean, it's literally a for loop: def visit(node): for child in node.children: visit(child) I don't hire people in my current positio

I mean, it's literally a for loop: def visit(node): for child in node.children: visit(child) I don't hire people in my current position, but I certainly think anyone baffled by that would be a giant red flag. It's simpler than FizzBuzz.