FP: Solution for ex9 from AP2 added

1ano/fp/avaliacao/ap2/ex9.py

@@ -0,0 +1,19 @@
+def score(guess, secret):
+    assert len(guess) == len(secret)
+
+    bulls_index: list[int] = []
+
+    for i in range(len(guess)):
+        if guess[i] == secret[i]:
+            bulls_index.append(i)
+
+    new_g: list[str] = [guess[i] for i in range(len(guess)) if i not in bulls_index]
+    new_s: list[str] = [secret[i] for i in range(len(secret)) if i not in bulls_index]
+
+    cows_index: list[int] = []
+    for i in range(len(new_g)):
+        for j in range(len(new_s)):
+            if new_g[i] == new_s[j] and i not in cows_index:
+                cows_index.append(i)
+
+    return len(bulls_index), len(cows_index)