Problem 9: Set-Equivalence Bucketing (Group Anagrams) Problem Statement Given an array of strings strs, group the anagrams together. You can return the answer in any order. Input Format An array of strings strs. Example Input: strs = ["eat", "tea", "tan", "ate", "nat", "bat"] Output: [["bat"], ["nat", "tan"], ["ate", "eat", "tea"]]