text: """
  File: hangman.py
  Name: 張文銓
  -----------------------------
  This program plays hangman game.
  Users sees a dashed word, trying to
  correctly figure the un-dashed word out
  by inputting one character each round.
  If the user input is correct, show the
  updated word on console. Players have N_TURNS
  chances to try and win this game.
  """
  
  import random
  
  # This constant controls the number of guess the player has.
  N_TURNS = 7
  
  
  def main():
      """
      This function is a game that let user guess a word by knowing the length of the word.
      user will have 7 chances to guess.
      """
      hangman()
  
  
  def hangman():
      dash = ""  # dash will show the blank for the user.
      ans = random_word()  # ans is the word that user need to guess.
      turn = 7  # every time the user has 7 chances to make guess it wrong.
      for i in range(len(ans)):
          dash += "-"
      while True:
          print("The word looks like: " + dash)
          print("You have " + str(turn) + " guesses left.")
          guess = input("Your guess: ")
          new_guess = ""  # make a new string to let the lower case change to upper case.
          while len(guess) != 1 or not guess.isalpha():  # cases that the input is not available to test.
              print("illegal format.")
              guess = input("Your guess: ")
          if guess.islower:
              new_guess += guess.upper()
          if ans.find(new_guess) == -1:  # if the letter user guessed is not in the word
              print("There is no " + new_guess + "'s in the word.")
              turn = turn - 1
          if turn == 0:  # when there is no more chance to guess.
              print("You are completely hung : (")
              print("The word was: " + ans)
              break
          found = False
          for i in range(len(ans)):
              if new_guess == ans[i]:
                  found = True
                  dash = dash[:i] + new_guess + dash[i + 1:]
          if found:  # preventing the function by printing "you are correct!" more than one time
              print("You are correct!")
  
          if dash.find("-") == -1:  # the case that user guess the word.
              print("You win!!")
              print("The word was: " + ans)
              break
  
  
  def random_word():
      num = random.choice(range(9))
      if num == 0:
          return "NOTORIOUS"
      elif num == 1:
          return "GLAMOROUS"
      elif num == 2:
          return "CAUTIOUS"
      elif num == 3:
          return "DEMOCRACY"
      elif num == 4:
          return "BOYCOTT"
      elif num == 5:
          return "ENTHUSIASTIC"
      elif num == 6:
          return "HOSPITALITY"
      elif num == 7:
          return "BUNDLE"
      elif num == 8:
          return "REFUND"
  
  
  # DO NOT EDIT THE CODE BELOW THIS LINE  #####
  if __name__ == '__main__':
      main()
  