【排序题】课堂收束环节的程序是什么？

【排序题】3. 以下是一则密码锁 (zipper lock) 的使用说明，但是设定新密码的步骤不慎被打乱了，请重新排列并翻译。 Zipper lock Usage instructions 　　The lock is set at the manufacturer to open at 000. You can keep it as your combination, or set a new one as following steps: 　　1. Release the button and rotate the dials so that your three secret numbers can’t be seen. 　　2. If you want to change to a new combination, repeat the steps. 　　3. Push the button in the direction of the arrow and hold it, until completing the next step. 　　4. Turn the dials to your desired personal combination. 5. Now your new personal code is set.