Your branch is up to date with 'origin/lab2'. nothing to commit, working tree clean

This message means that your local branch (lab2) is up to date with the remote branch (origin/lab2), and there are no changes to commit in your local working tree. If you want to make changes to your code and commit them, you can modify the files in your local working directory and then use the "git add" and "git commit" commands to stage and commit your changes.