python学习--购物车1

#登录操作
username = input("username:")
print("****************************")
password = input("password:")
print("****************************")

i = 1  #加入记数器，记录连续登录失败次数
while i <= 3:    #登录超过三次，锁定账户，在一定时间内不能登录
    if username == "maomao" and password == "123":
        print("welecom to shopping maket")
        break

    elif i == 3:
        print("input more than three times, try again after 2 hours")
        break
    else:
        print("you put an wrong name or password,please input again")

    i += 1
    username = input("username:")
    password = input("password:")