import string
def loadWords(filename):
    f = open(filename, "r")
    data = f.readlines()
    f.close()

    wordList = []
    for word in data:
        newWord = ""
        for letter in word.lower():
            if letter in string.ascii_lowercase:
                newWord = newWord +  letter
        wordList.append(newWord)

    return wordList

def pickNumber():
   numLettersStr = input("How many letters?")
   try:
      numLetters = int(numLettersStr)
   except:
      print("not a valid number, try again!")
      num = pickNumber()
      return(num)

   if numLetters < 3 or numLetters > 10:
       print("Please pick a number between 3 and 10!")
       num = pickNumber()
       return(num)
   else:
       return numLetters

#This function goes through the wordlist, counting
#how many words have the letter at the spot.
def countLetterSpots(letter, spot, wordList):
    counter = 0
    for word in wordList:
        if word[spot] == letter:
            counter = counter + 1
    
    return counter


def hangman():
   global wordList
   wordList = loadWords("6of12.txt")
   print("Read the words!, we have", len(wordList), "of them!")

   numLetters = pickNumber()

   ourSpots = ""
   for x in range(numLetters):
      ourSpots = ourSpots  + "_"

##   newList = []
##   for word in wordList:
##       if len(word) == numLetters:
##           newList.append(word)
##   wordList = newList
   
   wordList =list(  filter( lambda w: len(w) == numLetters, wordList) )
   
   print("We have", len(wordList), "of ", numLetters, "length!")

   guesses = numLetters * 3

   while( guesses > 0):
       guesses = guesses - 1
       letter = input("Guess a letter:")

       newList = []
       newList = list( filter( lambda w: letter[0] not in w,  wordList) )
##       for word in wordList:
##           if letter[0] not in word:
##               newList.append(word)

       if len(newList) > 0:
           print ("Sorry, my word does not have", letter[0], "in it!")
           wordList = newList
           print("DEMO: we now have:", len(wordList), "words left...")
           print("You now have ", guesses, "Guesses left!")
       else:
          aList = []
          for x in range(numLetters):
              num = countLetterSpots(letter[0], x, wordList)
              aList.append(num)
          print("Spots are:", aList)
          spotNum = max(aList)
          spotIdx = aList.index(spotNum)
          spots = spots[0:spotIdx] + letter[0] + spots[spotIdx:]
          

   
   

    
           



hangman()