题解 | #数字颠倒#

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 arr = line + '';
let stringNum = arr.split('').reverse().join('')
console.log(stringNum)
    }
}()