group anagrams solution

Author: yuseok89

group-anagrams/yuseok89.py

@@ -0,0 +1,12 @@
+# TC: O(N * LlogL)
+# SC: O(N * L)
+class Solution:
+    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
+
+        ans = defaultdict(list)
+
+        for s in strs:
+            ans[''.join(sorted(s))].append(s)
+
+        return list(ans.values())
+