It's not nice to take credit for someone's hard work.
Sally's partner for a school project stayed up late and did most of the work for the project.
Sally wants to get a good grade on the project.
Sally talks to her partner and asks if there's anything she can do to help out with the project.
Sally goes to the teacher and tells the teacher that she did the work that her partner actually did.
Sally's partner thinks of something for Sally to do, so she can earn the credit for the project.
Sally's partner finds out and proves to the teacher that they did all the work.