I think I stumbled across the smallest amount of characters needed to pass the first test. I placed my cursor just after 'return', began typing, and almost imme

I think I stumbled across the smallest amount of characters needed to pass the first test. I placed my cursor just after 'return', began typing, and almost immediately the page unlocked. Baffled, I went back to see what I'd typed, and realized I'd gotten as far as return num > false