print("What's the capital of Russia?")

answer_up = "Moscow"
answer = list(answer_up.lower())

word = ["#" for letter in answer]
print(*word)

while "#" in word:
    letter = input("Your letter: ").lower()
    if letter in answer:
        while letter in answer:
            print("We are opening this letter!")
            index = answer.index(letter)
            word[index], answer[index] = answer_up[index], word[index]
            print(*word)
    else:
        print('Wrong!')

print("You win!")
print("The word is:", answer_up)