Reverts the changes made in a specific commit by creating a new commit that undoes those changes.

echo "This is the initial content." > myfile.txt

add and commit file

git add myfile.txt
git commit -m "Initial commit"

make changes

echo "This is the modified content." > myfile.txt
git add myfile.txt
git commit -m "Modified myfile.txt"

revert last commit

git revert HEAD

or we can use specifying with the commit ID

git revert 4c04ecc

git log will return

 Revert "added file 4" --- Commit name

    This reverts commit 4c04eccff32e195ac0df17b1543f7f81de32d938. --- Commit id