diff --git a/4/scratchcards.py b/4/scratchcards.py
index 2ce13c7..ed2f7c9 100644
--- a/4/scratchcards.py
+++ b/4/scratchcards.py
@@ -31,8 +31,9 @@ def calculate_scores(winning_numbers: list) -> list:
     - 1 point for 1 match
     - double the points for each successive match
     """
+
     scores = []
-    for i, win in enumerate(winning_numbers):
+    for win in winning_numbers:
         if len(win) == 0:
             scores.append(0)
         if len(win) == 1:
@@ -50,6 +51,7 @@ def new_rules(input_data: list) -> list:
     - repeat until there are no more matches
     - return the total number of cards you've accumulated
     """
+
     data = input_data.split("\n")
 
     cards = [1 for i in range(len(data))]
@@ -64,6 +66,7 @@ def new_rules(input_data: list) -> list:
         for j in range(win):
             cards[i + j + 1] += cards[i]
         win = 0
+
     return cards