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- def groupAnagrams(strs):
- """
- :type strs: List[str]
- :rtype: List[List[str]]
- """
- d = {}
- for st in strs:
- key = "".join(sorted(st))
- d[key] = d[key] + [st] if key in d else [st]
- return list(d.values())
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