Anagram is a word, phrase, or name formed by rearranging the letters of another, such as cinema, formed from iceman. isAnagram method checks if word1 and word2 are anagram to each other then return a boolean. each letter in word1 should appear in word2 exact number of times ignore empty spaces make your code case insensitive Examples: isAnagram("listen", "Silent") ==> true isAnagram("earth", "heart") ==> true isAnagram("star", "rats") ==> true isAnagram("hi", "bye").