how to remove previous commit in git code example

Example 1: git undo commit

# Uncommit the changes
git reset --soft HEAD~1

# Completely delete the changes
git reset --hard HEAD~1

Example 2: git cancel last commit

git reset --soft HEAD~1

Example 3: undo local commit

$ git reset --soft HEAD~1

Example 4: undo last commit

git reset --hard HEAD~1

Example 5: git undo last commit

git reset --soft HEAD~1

Example 6: how to undo commit

git reset <commitId>
# Exemple
git reset 5310517