문제

https://leetcode.com/problems/most-common-word/submissions/

풀이

import collections
class Solution:
    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
        anagrams = collections.defaultdict(list)
        
        
        for word in strs:
            anagrams[''.join(sorted(word))].append(word)
        return list(anagrams.values())