main.ts

import inquirer from "inquirer";

const answers:{
    NumberOne:number,
    NumberTwo:number,
    operator:string
} = await inquirer.prompt([
    {
        name: "NumberOne",
        type: "number",
        message: "Enter your First Number:",
    },
    {
        name: "NumberTwo",
        type: "number",
        message: "Enter your Second Number:",
    },
    {
        name: "operator",
        type: "list",
        choices: ["Addition(+)","Subtraction(-)","Multiplication(*)","Division(/)"],
        message: "Select your Operator:"
    }
])

const{NumberOne,NumberTwo,operator} = answers
if(NumberOne && NumberTwo && operator){
    let result:number=0;
    if(operator == "Addition(+)"){
        result = NumberOne + NumberTwo
    }
    else if(operator == "Subtraction(-)"){
        result = NumberOne - NumberTwo
    }
    else if(operator == "Multiplication(*)"){
        result = NumberOne * NumberTwo
    }
    else if(operator == "Division(/)"){
        result = NumberOne / NumberTwo
    }

    console.log("Your Result is :",result);
}
else{console.log("Kindly Enter the valid Input!")}