How to retrieve committed code after switching back to the development branch when you committed code on a historical version using git checkout

After using git checkout to switch to a historical version, you forgot to
switch back to the development branch and committed a lot of code on the
historical version. Now, after switching back to the development branch, how can
you retrieve the code developed on the historical version?

1. Find the historical version and use git reflog to view the commit ID.
2. Switch back to the historical version using git checkout <commit_id>.
3. Make a copy of the files.
4. Switch back to the development branch.
5. Overwrite the files in the project with the copied files.
6. Commit the code to the development branch.