python随机生成指定长度密码的方法

string.ascii_letters

string.digits

string.punctuation

print string.ascii_letters
print string.digits
print string.punctuation

import string
from random import *
characters = string.ascii_letters + string.punctuation + string.digits
password = "".join(choice(characters) for x in range(randint(8, 16)))
print password