/*
  Arrays
  - Create Arrays [Two Methods] new Array() + []
  - Access Arrays Elements
  - Nested Arrays
  - Change Arrays Elements
  - Check For Array Array.isArray(arr);
*/

let myFriends = ["Ahmed", "Mohamed", "Sayed", ["Marwan", "Ali"]];

console.log(`Hello ${myFriends[0]}`);
console.log(`Hello ${myFriends[2]}`);
console.log(`${myFriends[1][2]}`);
console.log(`Hello ${myFriends[3][1]}`);
console.log(`${myFriends[3][1][2]}`);

console.log(myFriends);
myFriends[1] = "Gamal";
console.log(myFriends);
myFriends[3] = ["Sameh", "Ameer"];
console.log(myFriends);

console.log(Array.isArray(myFriends));