题解 | #图片整理#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void (async function () {
    // Write your code here
    while ((line = await readline())) {
        let tokens = line.split("");
        tokens.sort(); // sort()括号里什么都不写就是按照ascll码排序
        console.log(tokens.join(""));
    }
})();