That is encryption. Encrypted files usually have a password assigned. In order to decrypt the file, you need to have the password.
You press and hold the "b" button on your left earmuff, but you have to hold it down as long as you want ANC (Automatic Noise Cancelling) to be turned off, in other words, as soon as you release the button, ANC will be turned back on. Unfortunately, this will also mute your music.
Three major functions of a game engine would be Physics, Programming, and an audio engine should be some major functions of a game engine.
Answer:
Offer second chances/clean slates.
Be resourceful.
Make learning active.
Be an advocate.
Pursue lifelong learning.