SHELL

git command create new branch from current and move changes

git switch -c <branch name>

git move changes to new branch

git switch -c <new-branch>

Move you changes to your new branch from master

make your changes on master
creat new branch  my_branck and checkout the new branch
git add .
git commit 
git push
git checkout my_branch
git checkout master
to make sure your master is clear `git clewan -f`