파이썬 에러질문..

import random
HANGMANPICS = ['''
 
  +---+
  |   |
	  |
	  |
	  |
	  |
======== ''','''
 
  +---+
  |	  |
  0	  |
	  |
	  |
	  |
======== ''','''
 
  +---+
  |	  |
  0   |
  |	  |
	  |
	  |
========''','''
 
  +---+
  |	  |
  0	  |
 /|   |
	  |
	  |
========''','''
 
  +---+
  |	  |
  0   |
 /|\  |
	  |
	  |
========''','''
 
  +---+
  |   |
  0	  |
 /|\  |
 /	  |
	  |
========''','''
 
  +---+
  |	  |
  0	  |
 /|\  |
 / \  |
	  |
========''']
words = 'ant banana fruit egg apple pineapple dog cobra coyote frog goat  wolf whale turtle panda parrot shark seal rat tiger pie juice meet'.split()
 
def getRandomWord(wordList):
	#
	wordIndex = random.randint(0, len(wordList) -1)
	return wordList[wordIndex]
 
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)):
		if secretWord[i] in correctLetters:
			blanks = blanks[:i] + secretWord[i] + blanks[i+1:]
 
	for letter in blanks:
		print(letter, end=' ')
	print()
 
def getGuess(alreayGuessed):
	while True:
		print('Guess a letter.')
		guess = input()
		guess - guess.lower()
		if len(guess) != 1:
			print('Please enter a single letter.')
		elif guess in alreadtGuessed:
			print('You have already guessed that letter. Choose again.')
		elif guess not in 'abcdefghijklmnopqrstuvwxyz' :
			print('Please enter a LETTER.')
		else:
			return guess
 
def playAgain():
	print('Do you want to play again>(yes or no)')
	return input().lower().startswith('y')
 
 
print('H A N G M A N')
missedLetters = ''
correctLetters = ''
seceretWord = getRandomWord(words)
gameIsDone = False
 
while True:
	displayBoard(HANGMANPICS, missedLetters, correctLetters,secretWord)********
 
	guess = getGuess(missedLetters + correctLetters)
 
	if guess in secretWord:
		correctLetters = correctLetters + guess
 
		foundAllLetters = True
		for i in range(len(secretWord)):
			if secretWord[i] not in correctLetters:
				foundAllLetters = False
				break
		if foundAllLetters:
				print('Yes! The secret word is"'+secretWord+'"! You have won!')
				gameIsDone = True
 
	else:
		missedLetters - missedLetters + guess
 
		if len(missedLetters) == len(HANGMANPICS) -1:
			displayBoard(HANGMANPICS, missedLetters, correctLetters, secretWord)
			print('You have run out of guesses!\nAfter ' + str(len(missedLetters))+' missed guesses and ' + str(len(correctLetters)) + ' correct guesses, the word was "' + secretWord +'"')
			gameIsDone = True
 
	if gameIsDone:
		if playAgain():
			missedLetters = ''
			correctLetters = ''
			gameIsDone = False
			secretWord = getRandomWord(words)
		else:
			break