We The Brehs

import random

#Step 1
word_list = ["ardvark", "baboon", "camel", "donkey", "elephant", "ferret", "giraffe", "hippopotamus", "iguana", "jackal", "kangaroo", "llama", "manatee", "nabarlek",
             "octopus", "pirahna", "quetzal", "rabbit", "snake", "tortoise", "unicorn", "vulture", "walrus", "yellowtail", "zebra"]
pick_index = random.randint(0, len(word_list) - 1)
guess_letter = input("Guess a letter: ").lower()
letter_found = word_list[pick_index].find(guess_letter)
if (letter_found == -1):
    print("Wrong letter. Try again.")
else:
    print("Good guess. Guess another.")

#Step 2
picked_word = word_list[pick_index];
guessed_word = []
for init in range(0, len(picked_word)):
    guessed_word.append("_")
for index in range(0, len(picked_word)):
    if picked_word[index] == guess_letter:
        guessed_word[index] = guess_letter
print(guessed_word)

#Step 3
isGameOver = False

while not isGameOver:
    guess_letter = input("Guess a letter: ").lower()
    letter_found = word_list[pick_index].find(guess_letter)
    if (letter_found == -1):
        print("Wrong letter. Try again.")
    else:
        print("Good guess. Guess another.")

    for index in range(0, len(picked_word)):
        if picked_word[index] == guess_letter:
            guessed_word[index] = guess_letter
    print(guessed_word)

    find = 0
    for letter in guessed_word:
        if letter == "_":
            find += 1
    if find == 0:
        isGameOver = True
        print("You won!")

#Step 4
lives = 7
while lives > 0 and not isGameOver:
    guess_letter = input("Guess a letter: ").lower()
    letter_found = word_list[pick_index].find(guess_letter)
    if (letter_found == -1):
        print("Wrong letter. Try again.")
        lives -= 1
    else:
        print("Good guess. Guess another.")

    for index in range(0, len(picked_word)):
        if picked_word[index] == guess_letter:
            guessed_word[index] = guess_letter
    print(guessed_word)

    find = 0
    for letter in guessed_word:
        if letter == "_":
            find += 1
    if find == 0:
        isGameOver = True
        print("You won!")

    if lives < 1:
        print("You lose.")