python 生成随机密码

def mix_charcater():
num = ‘1234567890’
character = ‘.!@#$%^&*()qwertyuiopasdfghjklzxcvbnm’
num = random.sample(num, 6)
character = random.sample(character, 5)
num.extend(character)
mix_character = ‘’
for j in num:
mix_character += j
return mix_character