style: improve playground examples

[cbaker6]

New Pull Request Checklist

• [x] I am not disclosing a vulnerability.
• [x] I am creating this PR in reference to an issue.

Issue Description

Playgrounds has some additional blocks that aren't needed along with places where code and comments can be improved.

Related issue: #n/a

Approach

Improve Playgrounds by reducing optional indentation.

TODOs before merging

• [x] Add changes to documentation (guides, repository pages, in-code descriptions)

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