Returns all valid guesses from the linux dictionary: `y` defines the letters to be included, `n` defines the letters to be excluded, `g` contains a space where the character is unknown, the right letter otherwise, and `e` contains the excluded letters from each position

wordle.py

words = open('/usr/share/dict/words').read().splitlines()

l5w = list(filter(lambda x: len(x) == 5 and x.islower() and x.isalpha(), words))

def guess(y, n, g='     ', e=['','','','','']):
    return list(
        filter(
            lambda x: 
                all(c in x for c in y) and 
                all(not(c in x) for c in n) and 
                all(g[i]==' ' or x[i]==g[i] for i in range(5)) and 
                all(not(x[i] in e[i]) for i in range(5)),
            l5w))