hangman.py

from words import words
import random
import string

def get_valid_word(words):
    word = random.choice(words)
    while '-' in word or ' ' in word:
        word = random.choice(words)

    return word.upper()

def hangman():
    word = get_valid_word(words)
    word_letters = set(word) # letters in the word
    alphabet = set(string.ascii_uppercase)
    used_letters = set() # what the user has gussed
    lives = 6


    while len(word_letters) > 0 and lives > 0:
        print(f'You have {lives} left. You have used these letters: ',' '.join(used_letters))

        word_list = [letter if letter in used_letters else '-' for letter in word]
        print('Current word: ', ' '.join(word_list))
        
        user_letter = input('Guess a letter: ').upper()
        if user_letter in alphabet - used_letters:
            used_letters.add(user_letter)      
            if user_letter in word_letters:
                word_letters.remove(user_letter)
            
            else:
                lives -= 1 # takes away a life if wrong
                print('Letter is not in word.')

        elif user_letter in used_letters:
            print('You have already used the character. Please try again')

        else:
            print('Invalid character. Please try again')

    if lives == 0:
        print(f'You died, sorry. The word was')
    else:
        print('You guessed the word', word,'!!')

hangman()