function sayHello() {
console.log('Hello from Function - School of Net');
}
//sayHello();
var a = sayHello();
console.log(a);
var number = 4;
function square() {
return number * number;
}
var b = square();
var c = square();
console.log(b, c);
function square2(n1, n2) {
return n1 * n2;
}
var d = square2(5, 5);
var e = square2(4, 4);
console.log(d, e);