Given an array of strings strs, group the anagrams together. You can return the answer in any order.
An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, using all the original letters exactly once.
1 <= strs.length <= 10^40 <= strs[i].length <= 100strs[i] consists of lowercase English lettersstrs = ["eat","tea","tan","ate","nat","bat"][["bat"],["nat","tan"],["ate","eat","tea"]]strs = [""][[""]]strs = ["a"][["a"]]