Generate a secure password, from https://docs.python.org/3/library/secrets.html#recipes-and-best-practices

generate_password.py

import argparse
import secrets
import string

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("-s", "--symbols", help="Include symbols in password", action="store_true")
    parser.add_argument("-l", "--length", type=int, default=16, help="Password length")

    args = parser.parse_args()

    alphabet = string.ascii_letters + string.digits
    if args.symbols:
        alphabet += string.punctuation
    
    print(''.join(secrets.choice(alphabet) for _ in range(args.length)))