小编Lau*_*jas的帖子

我正在尝试编写密码生成器，但它不起作用，而且我无法理解该错误。

import random
import string

lw = list(string.ascii_lowercase)
uw = list(string.ascii_uppercase)
ns = list(string.digits)
password = ""

def addLW():
    f = randrange(1, len(lw))
    password = password + lw[f]

def addUW():
    f = randrange(1, len(lw))
    password = password + uw[f]

def addN():
    f = randrange(1, len(lw))
    password = password + ns[f]

funcs = [addLW, addUW, addN]

maxx = input("Password generator.\nMax: ")

if maxx.isdigit():
    maxx = int(maxx)
    for i in range(maxx):
        func = random.choice(funcs)
        func()
    print(f"Password: {password}")
else:
    print("Error")

完整错误：

Traceback (most …