fn_p.js

console.log("hello");
console.log("hello 2");
console.log("hello 3");
var z = 100

function greet() {
    console.log("Good evening, friends!");
    console.log("Good morning, friends!");
} // Here the fn will EXIT, which means
// that it has carried out its job

// greet is the name of the function [entity]
greet(); // calling the function named greet
// () are mandatory to call a function

// other instructions present in the code
var x  = 1;
console.log(x + 1);