#imports
import secrets

#load words from a file into a list
def load_words(filename):
    with open(filename) as f:
        dictionary = f.readlines()
    dictionary = [x.strip() for x in dictionary]
    return dictionary

#spit out something like c_t for cat and the guessed letters c,t
def string_underscored(word, letters):
    underscored=[]
    for i in range(0,len(word)):
        if word[i] in letters:
            underscored.append(word[i])
        else:
            underscored.append('_')
    string_underscored=''.join(str(x) for x in underscored)
    return string_underscored

dictionary=list(load_words('dictionary.txt'))

#check if all letters of a word are in a string of letters
def check_if_word_in_letters(word, letters):
    if set(word) <= set(letters):        # <= means "is subset" in this context
        return True
    else:
        return False

#replaying loop
answer=''
while answer!='n':
    word_to_guess=secrets.choice(dictionary)
    guessed_letters=''
    underscore_word=string_underscored(word_to_guess, guessed_letters)
    failed_tries=0
    check=0

    #round loop
    while not check and failed_tries<8:
        print('\n'*50)
        print (underscore_word)
        print('Guessed letters:')
        print('failed attempts: ')
        print(failed_tries)
        print(guessed_letters)
        some_letter = input('Guess a letter: ')
        guessed_letters+=some_letter
        underscore_word=string_underscored(word_to_guess, guessed_letters)
        check=check_if_word_in_letters(word_to_guess, guessed_letters)
        if check:
            print('Congratulations!')
        if some_letter not in word_to_guess:
            failed_tries+=1
    print('The word was ' + ''.join(word_to_guess) + '!')
    answer=input('Again? y/n')