what would happen if you copy or steal a code without their permission or credits?

Answer 1

copied code if they are without credits , it will be set to permanently private

Answer 2

This is a learning app:
The person will be told that this behavior is bad and will be asked to make code private or give credit.
This is a learning app:
If learning doesn't take place for this, the person is given time to think avout if sololearn is the right app for him.