function shuffleString(string) {
const chars = string.split("");
for (let i = chars.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[chars[i], chars[j]] = [chars[j], chars[i]];
}
return chars.join("");
}
function main(input) {
input.text = shuffleString(input.text);
}