Correct print out

a.py

@@ -48,8 +48,8 @@ class Library:
         print(f"Read {len(self.words_.word)} words from file '{filename}'")
 
     def DebugBuckets(self):
-        for i in range(len(self.word_map_.keys())):
-            print(f"[{i}]")# {self.word_map_[i]}")
+        for i, (k,v) in enumerate(self.word_map_.items()):
+            print(f"[{i}] {len(v)}")# {self.word_map_[i]}")
 
 
 class Grid: