let a = null;

let b = 23;

let c = Symbol;

let d = "harry";

let e = ture;

let f = BigInt("577");

let g = undefined;

​

console.log('a,b,c,d,e,f,g');

function addNumbers(a, b, c) {

  return a + b + c;

}

​

function introduceMe(name, age) {

  return "Hello, my name is " + name + "and I am" + age + "years old";

}

function getTotal(a, b) {

  total = a + b;

​

  return "The total is " + total;

}