Refine some output message

group_manager.py

@@ -57,7 +57,7 @@ def manage_group(op, usernames, groupname, debug=False):
             status[username] = msg["success"]
             response += 1
             if not msg["success"]:
-                print("Something's wrong, please try again.")
+                print(f"{username}: Something's wrong, please try again.")
 
         if len(status) == response:
             rc_rmq.stop_consume()
@@ -93,6 +93,8 @@ def manage_group(op, usernames, groupname, debug=False):
         }
     )
 
+    print("Done")
+
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="Group management script")