1. Git clone the repo

git clone <Input the HTTPS of the repo>

here it should be

git clone https://github.com/ironmanyu/robotics_labs.git

2. if you have not a branch yet, you need to set up it. If you have a branch already, go to step 4.

git checkout -b <your account, for example zhitaoyu/testGitHub>

3. Show your current branch: git branch shows your current branch

git branch

Note: always check which branch you are on and if it is the correct branch to push before run git push

4. Do any operations you like such as create a .txt file. Add existing files to the repository :

git add .

5. Commit this repository for the first time :

git commit -m "First commit"

6. Push your commit to your branch on github.

git push

Note: if it is newly created branch run 'git push --set-upstream origin zhitaoyu/testGitHub' to push your changes.