methodspractice.js

let a,b,result
function addition (a,b){
    return a+b
}
result = addition(5,9)
console.log(result);
function multiplication(a,b){
    return a*b
}
result = multiplication(2,6)
console.log(result);

a=10
var a1
console.log(a1);
b1 =15
let b1
console.log(b1)