验证用户名密码登录,提示剩余多少次机会!
nm = '888' pd = '666' i = 3 while i > 0 : i -= 1 name = input('请输入你的用户名:') if name == nm: password = input('请输入你的密码:') if password == pd: print('登录成功') break else: print('密码错误!你还有%s次机会'%i) continue else: print('用户名错误!你还有%s次机会!'%i) continue