day6.py

class Solution:
    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
        
        seen = {}
        
        for s in strs:
            word = ''.join(sorted(s))
            
            if word in seen: 
                seen[word].append(s)
            else:
                seen[word] = [s]
        
        return seen.values()