Try to code something with "the new system", and ask them specific help with that. Although your problem is not real, and none of your bosses asked you to do th

Try to code something with "the new system", and ask them specific help with that. Although your problem is not real, and none of your bosses asked you to do that, try to code anything with things you didn't learn yet. Then ask them "Hey, I am having a hard time with this, could you help me?" It is always better if you are in a real example than just learning by theory, and it's better for them to teach you.