password generator using random module (no function)

import random

digits = list(range(10))
lower_alpha = list(map(chr, range(97, 123)))
upper_alpha = list(map(chr, range(65, 91)))

all_chars = digits + lower_alpha + upper_alpha

def password_generator(length):
    pw = random.choices(all_chars, k=length)
    return "".join(pw)

password_generator(10)