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package group_anagrams
import (	"sort"	"strings")
func groupAnagrams(strs []string) [][]string {	mp := map[string][]string{}	for _, str := range strs {		slice := strings.Split(str, "")		sort.Strings(slice)		cnt := strings.Join(slice, "")		mp[cnt] = append(mp[cnt], str)	}	ans := make([][]string, 0, len(mp))	for _, v := range mp {		ans = append(ans, v)	}	return ans}