python作业：编写登陆接口

#!/usr/bin/env python
# Robin
# 作业二：编写登陆接口
# 输入用户名密码
# 认证成功后显示欢迎信息
# 输错三次后锁定
username = "robin"
password = "12345"
confirm_the_lock=""
time = 0
while time != 3:
    input_username = input("username:")
    input_password = input("password:")

    if input_username == username and input_password == password:
        print("Login Success!")
        break
    else:
        time += 1
        if time == 3:
            confirm_the_lock = "Your account has been locked!"
        error = '''
        error:
        passwordWrong(There are {residue_degree} chances left)
        {lock}
        '''.format(residue_degree=3 - time,lock=confirm_the_lock)
        print(error)