feat: 그룹 애나그램 풀이

Author: gusdn0828

group-anagrams/saysimple.py

@@ -0,0 +1,12 @@
+from collections import defaultdict
+
+class Solution:
+    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
+        d = defaultdict(list)
+        for s in strs:
+            if not s:
+                d["0"].append("")
+            else:
+                d["".join(sorted(s))].append(s)
+
+        return [d[s] for s in d]