登录三次机会编程

username = "taibai"
password = "123"
i = 0
while i < 3:
    name = input('请输入你的用户名：')
    pwd = input('请输入你的密码：')
    if username == name and password == pwd:
        print("您登录成功")
        break
    else:
        print("登录失败，您还有%d次登录机会" %(2-i))
        if (2-i) == 0:
            result = input("是否还想在试试？ Yes")
            if result == "Yes":
                i = 0
                continue
    i += 1
else:print("要不要验你")