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# Hangman Game
#
# The classic game of Hangman.  The computer picks a random word
# and the player wrong to guess it, one letter at a time.  If the player
# can't guess the word in time, the little stick figure gets hanged.

# -*- coding: utf-8 -*-

# imports
import random

# constants
HANGMAN = (
"""
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""",
"""
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 |    O
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""",
"""
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 |    O
 |   -+-
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""",
"""
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 |    O
 |  /-+-
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""",
"""
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 |    O
 |  /-+-/
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""",
"""
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 |  /-+-/
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""",
"""
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 |  /-+-/
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""",
"""
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 |  /-+-/
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----------
""")

MAX_WRONG = len(HANGMAN) - 1
WORDS = ("OVERUSED", "CLAM", "GUAM", "TAFFETA", "PYTHON")

# initialize variables
word = random.choice(WORDS)   # the word to be guessed
so_far = "-" * len(word)      # one dash for each letter in word to be guessed
wrong = 0                     # number of wrong guesses player has made
used = []                     # letters already guessed


print("Welcome to Hangman.  Good luck!")

while wrong < MAX_WRONG and so_far != word:
    print(HANGMAN[wrong])
    print("\nYou've used the following letters:\n", used)
    print("\nSo far, the word is:\n", so_far)

    guess = input("\n\nEnter your guess: ")
    guess = guess.upper()

    while guess in used:
        print("You've already guessed the letter", guess)
        guess = input("Enter your guess: ")
        guess = guess.upper()

    used.append(guess)

    if guess in word:
        print("\nYes!", guess, "is in the word!")

        # create a new so_far to include guess
        new = ""
        for i in range(len(word)):
            if guess == word[i]:
                new += guess
            else:
                new += so_far[i]
        so_far = new

    else:
        print("\nSorry,", guess, "isn't in the word.")
        wrong += 1

if wrong == MAX_WRONG:
    print(HANGMAN[wrong])
    print("\nYou've been hanged!")
else:
    print("\nYou guessed it!")

print("\nThe word was", word)

input("\n\nPress the enter key to exit.")