Change the Last Commit's Message

# Introduction

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<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>
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Git is a powerful version control system that allows developers to track changes in their codebase. One of the key features of Git is the ability to modify the commit history. In this challenge, you will learn how to change the last commit's message without changing its contents.