git how to revert commits with a new commit 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 back to a commit git

git reset --hard 4a155e5
Will move the HEAD back to where you want to be