My code is here: https://tio.run/##K6gsSszNTNEtTs5IzU39/19BIY5LQV8hhks/v7QkhksXBIAiQKCvHQOi46AC@koxIAxkgQSAGKJIGa4IpCYHyNPPzEsFUmCT/v83NAIA I want this to double the input, so if I input 12, it should give me 1212. Why won't it work?
My code is here: https://tio.run/##K6gsSszNTNEtTs5IzU39/19BIY5LQV8hhks/v7QkhksXBIAiQKCvHQOi46AC@koxIAxkgQSAGKJIGa4IpCYHyNPPzEsFUmCT/v83NAIA
I want this to double the input, so if I input 12, it should give me 1212. Why won't it work?