how to return back after git checkout to previous commit code example

Example 1: git revert commit

# Reset the index and working tree to the desired tree
# Ensure you have no uncommitted changes that you want to keep
git reset --hard 56e05fced

# Move the branch pointer back to the previous HEAD
git reset --soft HEAD@{1}

git commit -m "Reverting to the state of the project at f414f31"

Example 2: how discharge changes e recover last commit git

git clean -fd