def validAnagram(s: str, t: str) -> bool:
        seen = {}
        check = {}
        count = 0
        for letter in s:
                if letter in seen:
                        seen[letter] += 1
                else:
                        seen[letter] = 1
        for letter in t:
                if letter in check:
                        check[letter] += 1
                else:
                        check[letter] = 1
        if seen != check:
                return False
        else:
                return True


def groupAnagrams(strs: list[str])->list[str]:
        """
        :type strs: List[str]
        :rtype: List[List[str]]
        """
        final = []
        seen = []
        # Fill first list with matching anagrams
        for i in range(len(strs)):
                grouped = []
                print(f'i is: {strs[i]}')
                if i == len(strs)-1 and strs[i] not in grouped:
                        grouped.append(strs[i])
                for j in range(i+1, len(strs)):
                        print(f'j is: {strs[j]}')
                        if validAnagram(strs[i], strs[j]) == True:
                                if strs[i] not in grouped and strs[i] not in seen:
                                        grouped.append(strs[i])
                                        seen.append(strs[i])
                                if strs[j] not in grouped and strs[j] not in seen:
                                        grouped.append(strs[j])
                                        seen.append(strs[j])
                if grouped:
                        final.append(grouped)

        return final



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