#  GuessAWord.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2009-01-06  First program version created.
#  2022-12-27  Converted to Python 3.

#  This program is a simple computer game in which the player has to
#  guess the characters of a word, or the player may also try to guess
#  the whole word.

print( "\n This is a GUESS-A-WORD game  \n" )

word_to_be_guessed = "VIENNA"

guessed_characters = len( word_to_be_guessed ) * [ "_" ]

# Now guessed_characters refers to a list that contains as
# many strings "_" as there are characters in the word to be guessed

# By writing "".join( guessed_characters ) the list of strings can
# be converted to a single string.

game_is_over = False

while  game_is_over == False  :

   print( " " + "".join( guessed_characters ) + "  " + "Give a character or word: ", end="" )

   player_input = input().upper() # input and convert to uppercase

   if len( player_input ) == 1 :

      # The player gave a single character

      for character_index in range( len( word_to_be_guessed ) ) :

         if word_to_be_guessed[ character_index ] == player_input :

            guessed_characters[ character_index ] = player_input

      if not "_" in guessed_characters :
      
         # "_" is not among the guessed characters.
         # This means that all characters have been guessed.
         game_is_over = True
         print( " " + "".join( guessed_characters ) + "  " + "Congratulations!!" )
         
   elif len( player_input ) > 1 :

      # The player tried to guess the whole word.

      if player_input == word_to_be_guessed  :

         print( "\n Congratulations!!! \n" )
         game_is_over = True

   else :

      # The player gave an empty string.
      # That means that she does not want play any more.
      game_is_over = True 

print( "" )