# Introduction <div class="alert alert-warning" role="alert"> <p>🧑💻 New to Git or LabEx? We recommend starting with the <b><a style="color: unset;text-decoration: underline;" href="https://labex.io/courses/quick-start-with-git" target="_blank">Quick Start with Git</a></b> course.</p> </div> In Git, branches are used to develop features or isolate changes made to the codebase. After a branch has served its purpose, it is merged back into the main branch. However, it is important to keep track of which branches have been merged and which have not. This challenge will test your ability to view a list of all merged local branches.
Click the virtual machine below to start practicing