what does git revert commit do code example

Example 1: how to revert a commit

git reset --soft HEAD@{1} # delete the last commit keeping the changes
git reset --hard HEAD@{1} # delete the last commit removing the changes

git push --force origin master # delete the last commit also on remote branch

Example 2: revert commit git

$ git log --oneline
b764644 File with three lines
7c709f0 File with two lines
9ef9173 File with one line