add some notes

models/rank/fm/data/get_slot_data.py

@@ -79,7 +79,7 @@ class Reader(dg.MultiSlotDataGenerator):
                 v = i[1]
                 for j in v:
                     s += " " + k + ":" + str(j)
-            print(s.strip())
+            print(s.strip())  # add print for data preprocessing
 
         return data_iter
 

models/rank/fm/readme.md

@@ -151,7 +151,7 @@ class Reader(dg.MultiSlotDataGenerator):
                 v = i[1]
                 for j in v:
                     s += " " + k + ":" + str(j)
-            print(s.strip())
+            print(s.strip()) # add print for data preprocessing
         return data_iter
 reader = Reader(
     "../config.yaml")  # run this file in original folder to find config.yaml