37-生成密码/验证码

from random import choice
import string

all_chs = string.ascii_letters + string.digits


def gen_pass(n=8):
    result = ''

    for i in range(n):
        ch = choice(all_chs)
        result += ch

    return result


if __name__ == '__main__':
    print(gen_pass())
    print(gen_pass(4))
    print(gen_pass(10))