Random password from word list

import argparse
import numpy as np

parser = argparse.ArgumentParser(description='Generate random xkcd-style password.')
parser.add_argument('-n', '--num-words', type=int, default=4,
                    help='Number of words in the password. Default: 4')
args = parser.parse_args()

# Read words from file
with open("word_list.txt", 'r', encoding='UTF-8') as f:
    word_list = f.read()
words = word_list.splitlines()[1:]

# Randomly choose words
rnd_words = np.random.choice(words, size=args.num_words)
print(' '.join(rnd_words))