def groupAnagrams(strs: list[str])->list[str]:
        """
        :type strs: List[str]
        :rtype: List[List[str]]
        """
        strs_table = {}

        for string in strs:
                sorted_string = ''.join(sorted(string))

                if sorted_string not in strs_table:
                        strs_table[sorted_string] = []

                strs_table[sorted_string].append(string)

        return list(strs_table.values())



# print(groupAnagrams(["eat","tea","tan","ate","nat","bat"]))
print(groupAnagrams(["",""]))