第二天，三次登录

#用户登录3次机会
i = 0
while i < 3 :
    username = input("请输入用户名：")
    password = int(input("请输入密码："))
    if username == 'cxr' and password ==123:
        print('Sucessed')
    else:
        print('failed,plz try again')
    i += 1
print('out')