this one uses a double for loop
kata link: https://www.codewars.com/kata/5777fe3f355edbf0a5000d11/javascript
#algorithm #codewars #coding #learntocode #learnprogramming #javascript #learnjavascript #frontend #frontenddeveloper #programming #programminglife #computer #computerscience #computers #homework #learning #tutorial #programmingtutorials #programmingtutorial #javascripttutorial #javascripttutorialforbeginners #javascripttutorials #kata #code #codes #beginners #beginner | #forloop #double