let nums = [1, 2, 3, 4, 5];
let numsSquared = [];

// Use .map() to get the square of nums and store the value in numsSquared
// numsSquared => [1, 4, 9, 16, 25]

let nums = [1, 2, 3, 4, 5, 6, 7, 8, 9];
let isDivisibleBy3 = [];

// Use .filter() to find out the numbers that are divisible by 3 and store the value in isDivisibleBy3
// isDivisibleBy3 => [3, 6, 9]

const days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];

let dayAbbreviations = [];

// Find the abbreviation of all days and add them to dayAbbreviations array
// dayAbbreviations => ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']

const iAS = ['ahmed', 'sami', 'moath', 'ghadeer'];
let capitalizedIAs = [];

// Capitalize all the strings in the IA's array and store them in the array capitalizedIA.
// capitalizedIAs => ["AHMED", "SAMI", "MOATH", "GHADEER"]

// These crazy numbers are now strings 😯 😯  !!  
const stringNumbers = ["103440", "3799.2663", "3.14159265359", "859494", "59439"];
let totalNumbersUnder4000 = 0;

// Convert numbers from strings to numbers and sum all numbers under 4000 and store them in totalNumbersUnder4000
// totalNumbersUnder4000 => 3802.4078926536