题解 | #简单密码#

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

const alphToNum = {
    a: 2, b: 2, c: 2,
    d: 3, e: 3, f: 3,
    g: 4, h: 4, i: 4,
    j: 5, k: 5, l: 5,
    m: 6, n: 6, o: 6,
    p: 7, q: 7, r: 7, s: 7,
    t: 8, u: 8, v: 8,
    w: 9, x: 9, y: 9, z: 9,
}

void async function () {
    // Write your code here
    let val = '';
    while(line = await readline()){
        for (let i = 0; i < line.length; i++) {
            let str = line.charAt(i);
            if (/[a-z]/.test(str)) {
                val += alphToNum[str];
            } else if (/[A-Z]/.test(str)) {
                // 大写转成小写 --- 小写转数字 + 1 ---转成字母
                let b = str.toLowerCase().charCodeAt(0) + 1;
                str === 'Z' ? val += 'a' : val += String.fromCharCode(b);
                
            } else {
                // 数字和其它的符号都不做变换
                val += str;
            }
        }
        console.log(val);
    }
}()