题解 | #简单密码# 攒人品

const readline=require("readline")
const rl=readline.createInterface({
    input:process.stdin,
    output:process.stdout
})
rl.on("line",(line)=>{
    const map={
        "1":1,
        "abc":2,
        "def":3,
        "ghi":4,
        "jkl":5,
        "mno":6,
        "pqrs":7,
        "tuv":8,
        "wxyz":9,
        "0":0
    }
    const keys=Object.keys(map)
    const arr=line.split("")
    for(let i=0;i<arr.length;i++){
        // item设置为可变的
        let item=arr[i]
        if(item>="a"&&item<="z"){
            const key=keys.filter((key)=>key.includes(item))
            const value=map[key]
            arr[i]=value
        }else if(item>="A"&&item<="Z"){
            item=item.toLowerCase()
            if(item!=="z"){
                arr[i]=String.fromCharCode(item.charCodeAt()+1)
            }else if(item==="z"){
			//"z"单独判断
                arr[i]="a"
            }
        }
    }
   console.log( arr.join(""))

    
})