feat: add 0236 Group Anagrams solution

Author: hyogshin

group-anagrams/hyogshin.py

@@ -0,0 +1,15 @@
+from collections import defaultdict
+from typing import List
+class Solution:
+    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
+      groups = defaultdict(list)
+      for s in strs:
+        cnt = [0] * 26
+        for ch in s:
+          cnt[ord(ch) - ord('a')] += 1
+        groups[tuple(cnt)].append(s)
+      return list(groups.values())
+
+if __name__ == "__main__":
+    sol = Solution()
+    print(sol.groupAnagrams(["eat","tea","tan","ate","nat","bat"]))