Added sample code

[leastofthese23]

Added sample code, included text on possible benefit of using a method with out.

[dnfadmin]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

:x: leastofthese23 sign now
_{You have signed the CLA already but the status is still pending? Let us recheck it.}