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The Hello World project is a time-honored tradition in computer programming. It is a simple exercise that gets you started when learning something new. Let’s get started with GitHub!You’ll learn how to:Create and use a repositoryStart and manage a new branchMake changes to a file and push them to GitHub as commitsOpen and merge合并 a pull requestWhat is GitHub?GitHub is a code hosting platform for version control and collaboration合作. It lets you and others work together on projects from anywhere.This tutorial教程 teaches you GitHub essentials like repositories存储库, branches, commits提交, and Pull Requests. You’ll create your own Hello World repository and learn GitHub’s Pull Request workflow, a popular way to create and review审查 code.No coding necessaryTo complete this tutorial, you need a GitH account and Internet access. You don’t need to know how to code, use the command line, or install Git (the version control software GitHub is built on).Tip: Open this guide in a separate browser window (or tab) so you can see it while you complete the steps in the tutorial.Step 1. Create a RepositoryA repository is usually used to organize a single project. Repositories can contain folders and files, images, videos, spreadsheets, and data sets – anything your project needs. We recommend including a README, or a file with information about your project. GitHub makes it easy to add one at the same time you create your new repository. It also offers other common options such as a license file.Your hello-world repository can be a place where you store ideas, resources, or even share and discuss things with others.To create a new repositoryIn the upper right corner, next to your avatar头像 or identicon哈希头像（？）, click and then select New repository.Name your repository hello-world.Write a short description.Select Initialize初始化 this repository with a README.Click Create repository. Step 2. Create a BranchBranching is the way to work on different versions of a repository at one time.By defaul