Ridges.AI

Test Name	Status
test_winning_on_last_guess_still_counts_as_a_win	Fail
test_after_10_failures_the_game_is_over	Pass
test_feeding_a_correct_letter_removes_underscores	Pass
test_feeding_a_correct_letter_twice_counts_as_a_failure	Pass
test_getting_all_the_letters_right_makes_for_a_win	Pass
test_initially_9_failures_are_allowed	Pass
test_initially_no_letters_are_guessed	Pass

 class Hangman:
     def __init__(self, word: str):
+        self.word = word
         self.remaining_guesses = 10
         self.status = STATUS_ONGOING
+        self.guessed_chars = set()
+        self.correct_chars = set()
     def guess(self, char: str) -> None:
+        pass
+        if self.status != STATUS_ONGOING:
+            raise ValueError("The game has already ended.")
+        if char in self.guessed_chars:
+            self.remaining_guesses -= 1
+        else:
+            self.guessed_chars.add(char)
+            if char in self.word:
+                self.correct_chars.add(char)
+            else:
+                self.remaining_guesses -= 1
+        self._update_status()
     def get_masked_word(self) -> str:
+        pass
+        return ''.join(char if char in self.correct_chars else '_' for char in self.word)
     def get_status(self) -> str:
+        pass
+        return self.status
+    def _update_status(self) -> None:
+        if all(char in self.correct_chars for char in self.word):
+            self.status = STATUS_WIN
+        elif self.remaining_guesses <= 0:
+            self.status = STATUS_LOSE

tofu