Python设计密码强度校验程序

symbols = r'''`!@#$%^&*()_+-=/*{}[]\|;:?/<>'''
chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
nums = '0123456789'

while 1:
  print('--------------密码安全级别检查-------------------')
  passwd = input('请输入需要检查的密码组合：')
  length = len(passwd)
  while passwd.isspace() or length == 0:
    passwd = input('您输入的密码为空，请重新输入：')
  if length <= 8:
    flag_len = 1
  elif 8< length < 16:
    flag_len = 2
  else:
    flag_len = 3
  flag_con = 0

for each in passwd:
    if each in symbols:
      flag_con += 1
      break
  for each in passwd:
    if each in chars:
      flag_con += 1
      break
  for each in passwd:
    if each in nums:
      flag_con += 1
      break

while True:
    print('您的密码安全级别评定为：',end='')
    if flag_len == 1 or flag_con == 1:
      print('低')
    elif flag_len == 2 or flag_con == 2:
      print('中')
    else:
      print('高')
      print('请继续保持！')
      break
    print('请按以下方式提升您的密码安全级别：\n\
    \t1.密码必须由数字、字母及特殊字符三种组合\n\
    \t2.密码只能由字母开头\n\
    \t3.密码长度不能低于16位')
    break