Create groupAnagrams.py

Author: kanglicheng

Kangli/Strings/groupAnagrams.py

@@ -0,0 +1,9 @@
+class Solution(object):
+    def groupAnagrams(self, strs):
+        d = collections.defaultdict(list)
+        for s in strs:
+            d["".join(sorted(s))].append(s)
+        return [ group for group in d.values() ]
+                    
+# use a hash, sort each string and use it as a key. Append unsorted string to list of values. 
+# return all values