hangman.py

import random
HANGMANPICS = ['''

  +---+
  |   |
      |
      |
      |
      |
=========''', '''

  +---+
  |   |
  O   |
      |
      |
      |
=========''', '''

  +---+
  |   |
  O   |
  |   |
      |
      |
=========''', '''

  +---+
  |   |
  O   |
 /|   |
      |
      |
=========''', '''

  +---+
  |   |
  O   |
 /|\  |
      |
      |
=========''', '''

  +---+
  |   |
  O   |
 /|\  |
 /    |
      |
=========''', '''

  +---+
  |   |
  O   |
 /|\  |
 / \  |
      |
=========''']
words = 'ant baboon badger bat bear beaver camel cat clam cobra cougar coyote crow deer dog donkey duck eagle ferret fox frog goat goose hawk lion lizard llama mole monkey moose mouse mule newt otter owl panda parrot pigeon python rabbit ram rat raven rhino salmon seal shark sheep skunk sloth snake spider stork swan tiger toad trout turkey turtle weasel whale wolf wombat zebra'.split()

def getRandomWord(wordList):
    # This function returns a random string from the passed list of strings.
    wordIndex = random.randint(0, len(wordList) - 1)
    return wordList[wordIndex]

def init(words):
    print('H A N G M A N')
    return ('', '', getRandomWord(words), False)

def displayBoard(HANGMANPICS, missedLetters, correctLetters, secretWord):
    print(HANGMANPICS[len(missedLetters)])
    print()

    print('Missed letters:', end=' ')
    for letter in missedLetters:
        print(letter, end=' ')
    print()

    blanks = '_' * len(secretWord)

    for i in range(len(secretWord)): # replace blanks with correctly guessed letters
        if secretWord[i] in correctLetters:
            blanks = blanks[:i] + secretWord[i] + blanks[i+1:]

    for letter in blanks: # show the secret word with spaces in between each letter
        print(letter, end=' ')
    print()

def getGuess(alreadyGuessed):
    # Returns the letter the player entered. This function makes sure the player entered a single letter, and not something else.
    while True:
        print('Guess a letter.')
        guess = input()
        guess = guess.lower()
        if len(guess) != 1:
            print('Please enter a single letter.')
        elif guess in alreadyGuessed:
            print('You have already guessed that letter. Choose again.')
        elif guess not in 'abcdefghijklmnopqrstuvwxyz':
            print('Please enter a LETTER.')
        else:
            return guess

def checkWin(secretWord, correctLetters):
    for i in range(len(secretWord)):
        if secretWord[i] not in correctLetters:
            return False
    print('Yes! The secret word is "' + secretWord + '"! You have won!')
    return True

def checkLost(HANGMANPICS, missedLetters, correctLetters, secretWord):
    if len(missedLetters) == len(HANGMANPICS) - 1:
        displayBoard(HANGMANPICS, missedLetters, correctLetters, secretWord)
        print('You have run out of guesses!')
        print('After ' + str(len(missedLetters)) + ' missed guesses and ' + str(len(correctLetters)) + ' correct guesses, the word was "' + secretWord + '"')
        return True

def playAgain():
    # This function returns True if the player wants to play again, otherwise it returns False.
    print('Do you want to play again? (yes or no)')
    return input().lower().startswith('y')

def main():
    missedLetters, correctLetters, secretWord, gameIsDone = init(words)

    while True:
        displayBoard(HANGMANPICS, missedLetters, correctLetters, secretWord)

        # Let the player type in a letter.
        guess = getGuess(missedLetters + correctLetters)

        if guess in secretWord:
            correctLetters = correctLetters + guess

            # Check if the player has won
            foundAllLetters =  gameIsDone = checkWin(secretWord, correctLetters) 
        else:
            missedLetters = missedLetters + guess

            # Check if player has guessed too many times and lost
            gameIsDone = checkLost(HANGMANPICS, missedLetters, correctLetters, secretWord)

            # Ask the player if they want to play again (but only if the game is done).
        if gameIsDone:
            if playAgain():
                missedLetters, correctLetters, secretWord, gameIsDone = init(words)
            else:
                break

if __name__ == "__main__":
    main()