//Exercise 4 and 5
let myFirstName = 'Brendan'; //My First Name
let myLastName = 'Klein';    //My Last Name
let notFound = undefined;   //Random undefined variable
let myFalseBool = false;    //False boolean
let myTrueBool = true;      //True boolean
let myNullVar = null;       //Random null boolean

//Exercise 6
let undeclaredVariable;
let undeclaredVariable2;
let undeclaredVariable3;
let undeclaredVariable4;

//Exercise 7
let myString = "coffee";
let favoriteCodeEditor = "Visual Studio Code";
let favoriteColor = "Orange";
let coffeeLover = true;

//Exercise 8
let myFirstName8 = 'Brendan'; //My First Name
let myLastName8 = 'Klein';    //My Last Name
let maritalStatus8 = "single";
let country8 = 'USA';
let age8 = 23;

//Exercise 9
let myFirstName9 = 'Brendan', myLastName9 = 'Klein', maritalStatus9 = "single", country9 = 'USA', age9 = 23;

let myAge="23";
let yourAge="26";

console.log("I am "+myAge+" years old.");
console.log("You are "+yourAge+" years old.");