Help me, Wordle! :-)

wordle_help.py

#!/usr/bin/env python

import sys

# Source: https://github.com/dwyl/english-words/blob/master/words_alpha.txt
WORD_FILE="words_alpha.txt"


def words_all(word_file=WORD_FILE):
    lines = open(word_file).readlines()
    return [l.strip() for l in lines]


def words_of_5_letters(word_file=WORD_FILE):
    return [w for w in words_all(word_file) if len(w) == 5]


def choices(guesses, word_file=WORD_FILE):

    right, elsewhere, wrong = [], [], []
    for g in guesses:
        g = g.lower()
        enzgs = list(enumerate(zip(g[0::2], g[1::2])))
        right += [(c,i) for i,(c,s) in enzgs if s == '+']
        elsewhere += [(c,i) for i,(c,s) in enzgs if s == '_']
        wrong += [c for i,(c,s) in enzgs if s == '-']

    def _right(w):
        return all([w[i] == c for c,i in right])

    def _elsewhere(w):
        return all([c in w and w[i] != c for c,i in elsewhere])

    def _wrong(w):
        return all([c not in w for c in wrong])

    return [w for w in words_of_5_letters() if all([_right(w), _elsewhere(w), _wrong(w)])]


if __name__ == "__main__":
    nargs = len(sys.argv)
    if nargs <= 1:
        print("Usage: {} <row1> [<row2> [... <rown>]]".format(sys.argv[0]))
        print("  <row*> example : A_B+O-V_E- (case insensitive)")
        print("    X+ (B+   )   : X is in the right position.")
        print("    X_ (A_ V_)   : X is in the word but not in the right place.")
        print("    X- (O- E-)   : X is not in the word.")
        exit(-1)
    print(choices(sys.argv[1:]))