简单-小牛逼

#!/uer/bin/python
# coding utf-8
user = input('请输入用户')
pwd =input('请输入密码')
if user =="huang" and pwd =="123":
    print("恭喜你登录成功！")
else:
    print("登录失败请重新登录")

运行结果:

请输入用户huang
请输入密码123
恭喜你登录成功！