slight optimization

day07/task1.py

@@ -4,26 +4,22 @@ ORDERING = "123456789TJQKA"
 def do_task(infile):
     hands = [(line.split()[0], int(line.split()[1])) for line in infile.split("\n")]
 
-    hands_parsed = []
-
-    for hand, value in hands:
-        cards = dict(zip("123456789TJQKA", [0] * len(ORDERING)))
-        for card in hand:
-            cards[card] += 1
-        hands_parsed.append((hand, value, cards))
-
-    hands_parsed.sort(key=evaluate_hand)
+    hands.sort(key=evaluate_hand)
 
     score_sum = 0
 
-    for rank, (_, score, _) in enumerate(hands_parsed, start=1):
+    for rank, (_, score) in enumerate(hands, start=1):
         score_sum += rank * score
 
     return score_sum
 
 
 def evaluate_hand(h):
-    (hand, _, cards) = h
+    (hand, _) = h
+    
+    cards = dict.fromkeys("123456789TJQKA", 0)
+    for card in hand:
+        cards[card] += 1
 
     cv = max(cards.values()) << 4
 

day07/task2.py

@@ -4,30 +4,26 @@ ORDERING = "J123456789TQKA"
 def do_task(infile):
     hands = [(line.split()[0], int(line.split()[1])) for line in infile.split("\n")]
 
-    hands_parsed = []
-
-    for hand, value in hands:
-        cards = dict(zip("123456789TQKA", [0] * len(ORDERING)))
-        j = 0
-        for card in hand:
-            if card != "J":
-                cards[card] += 1
-            else:
-                j += 1
-        hands_parsed.append((hand, value, cards, j))
-
-    hands_parsed.sort(key=evaluate_hand)
+    hands.sort(key=evaluate_hand)
 
     score_sum = 0
 
-    for rank, (_, score, _, _) in enumerate(hands_parsed, start=1):
+    for rank, (_, score) in enumerate(hands, start=1):
         score_sum += rank * score
 
     return score_sum
 
 
 def evaluate_hand(h):
-    (hand, _, cards, j) = h
+    (hand, _) = h
+    
+    cards = dict.fromkeys("123456789TQKA", 0)
+    j = 0
+    for card in hand:
+        if card != "J":
+            cards[card] += 1
+        else:
+            j += 1
 
     cv = max(cards.values()) << 4