1 i = 3 2 username = teng 3 password = 123 4 while i > 0: 5 name = input("请输入你的名字:") 6 if name = username: 7 pwd = input("请输入密码:") 8 if pwd = password: 9 print("登陆成功!") 10 else: 11 print("登陆失败”)