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ps3_hangman.py
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ps3_hangman.py
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# 6.00 Problem Set 3
#
# Hangman game
#
# -----------------------------------
# Helper code
# You don't need to understand this helper code,
# but you will have to know how to use the functions
# (so be sure to read the docstrings!)
import random
import string
WORDLIST_FILENAME = "words.txt"
def loadWords():
"""
Returns a list of valid words. Words are strings of lowercase letters.
Depending on the size of the word list, this function may
take a while to finish.
"""
print "Loading word list from file..."
# inFile: file
inFile = open(WORDLIST_FILENAME, 'r', 0)
# line: string
line = inFile.readline()
# wordlist: list of strings
wordlist = string.split(line)
print " ", len(wordlist), "words loaded."
return wordlist
def chooseWord(wordlist):
"""
wordlist (list): list of words (strings)
Returns a word from wordlist at random
"""
return random.choice(wordlist)
# end of helper code
# -----------------------------------
# Load the list of words into the variable wordlist
# so that it can be accessed from anywhere in the program
wordlist = loadWords()
def isWordGuessed(secretWord, lettersGuessed):
'''
secretWord: string, the word the user is guessing
lettersGuessed: list, what letters have been guessed so far
returns: boolean, True if all the letters of secretWord are in lettersGuessed;
False otherwise
'''
# FILL IN YOUR CODE HERE...
for letter in secretWord:
if letter not in lettersGuessed:
return False
return True
def getGuessedWord(secretWord, lettersGuessed):
'''
secretWord: string, the word the user is guessing
lettersGuessed: list, what letters have been guessed so far
returns: string, comprised of letters and underscores that represents
what letters in secretWord have been guessed so far.
'''
# FILL IN YOUR CODE HERE...
result = ''
for letter in secretWord:
if letter in lettersGuessed:
result = result + letter
else:
result = result + '_'
return result
def getAvailableLetters(lettersGuessed):
'''
lettersGuessed: list, what letters have been guessed so far
returns: string, comprised of letters that represents what letters have not
yet been guessed.
'''
# FILL IN YOUR CODE HERE...
import string
lettersLeft = string.ascii_lowercase
for letter in lettersGuessed:
lettersLeft = lettersLeft.replace(letter,'')
return lettersLeft
def hangman(secretWord):
'''
secretWord: string, the secret word to guess.
Starts up an interactive game of Hangman.
* At the start of the game, let the user know how many
letters the secretWord contains.
* Ask the user to supply one guess (i.e. letter) per round.
* The user should receive feedback immediately after each guess
about whether their guess appears in the computer's word.
* After each round, you should also display to the user the
partially guessed word so far, as well as letters that the
user has not yet guessed.
Follows the other limitations detailed in the problem write-up.
'''
# FILL IN YOUR CODE HERE...
print "Welcome to the game, Hangman!"
print "I am thinking of a word that is " + str(len(secretWord)) + " letters long."
print "-----------"
lettersGuessed = []
availableLetters = getAvailableLetters(lettersGuessed)
guessesLeft = 8
while guessesLeft > 0:
print "You have " + str(guessesLeft) + " guesses left."
print "Available letters: " + availableLetters
guess = raw_input("Please guess a letter: ")
letter = guess.lower()
if letter in lettersGuessed:
print "Oops! You've already guessed that letter: " + getGuessedWord(secretWord, lettersGuessed)
print "-----------"
elif letter in secretWord:
lettersGuessed.append(letter)
print "Good guess: " + getGuessedWord(secretWord, lettersGuessed)
availableLetters = availableLetters.replace(letter,"")
print "-----------"
if isWordGuessed(secretWord, lettersGuessed) == True:
print "Congratulations, you won!"
break
else:
print "Oops! That letter is not in my word: " + getGuessedWord(secretWord, lettersGuessed)
guessesLeft = guessesLeft - 1
lettersGuessed.append(letter)
availableLetters = availableLetters.replace(letter,"")
print "-----------"
if isWordGuessed(secretWord, lettersGuessed) == False:
print "Sorry, you ran out of guesses. The word was " + str(secretWord) + "."
# When you've completed your hangman function, uncomment these two lines
# and run this file to test! (hint: you might want to pick your own
# secretWord while you're testing)
# secretWord = chooseWord(wordlist).lower()
# hangman(secretWord)