Fix bug #1 via first pass for perfects

Get rid of the perfect scores in a first pass, to avoid bug

src/literate_wordle/guess.py

@@ -23,19 +23,28 @@ def score_guess(guess: str, answer: str) -> str:
     """Score an individual guess with Counter"""
     # Counter("abbey") = Counter({'b': 2, 'a': 1, 'e': 1, 'y': 1})
     answer_chars = Counter(answer)
-    response = ""
-    for guess_char, answer_char in zip(guess, answer):
+    response = {}
+    perfect_scores = [answer_char == guess_char for guess_char, answer_char in zip(guess, answer)]
+    for char_index, is_score_perfect in enumerate(perfect_scores):
+        perfect_char = guess[char_index]
+        if is_score_perfect:
+            response[char_index] = CharacterScore.OK
+            answer_chars[perfect_char] -= 1
+            if answer_chars[perfect_char] == 0:
+                del answer_chars[perfect_char]
+    # First pass complete for perfect scores, now the non-perfect
+    for char_num, (guess_char, answer_char) in enumerate(zip(guess, answer)):
+        if char_num in response:
+            continue # No point scoring this one, we got it already as perfect
         if guess_char not in answer_chars:
-            response += CharacterScore.NO
+            response[char_num] = CharacterScore.NO
             continue  # Early exit for this character, skip to next
         # From here on, we MUST have a char in common, regardless of place
-        if answer_char == guess_char:
-            response += CharacterScore.OK
         elif answer_chars[guess_char] > 0:
-            response += CharacterScore.WRONG_PLACE
+            response[char_num] = CharacterScore.WRONG_PLACE
         # Either way, reduce occurence counter since we "used" this occurence
         answer_chars[guess_char] -= 1
         # No more hits = pretend character isn't even seen (remove from dict)
         if answer_chars[guess_char] == 0:
             del answer_chars[guess_char]
-    return response
+    return "".join([response[i] for i in range(5)])