[RFC]: Add doctest return annotations in `symbol/replace` examples

[Diyan-Dev]

Description

This RFC proposes to add comment ouputs as in this file.

EDIT (description) : This issue proposes to to add comment outputs as demonstrated in the above file in the files present in symbol package (wherver they are missing in example demonstrations)
one example is this file

Related Issues

Related issues # , # , and # .

Questions

Please approve this issue so i can start working on it.

Other

No.

Checklist

• I have read and understood the Code of Conduct.
• Searched for existing issues and pull requests.
• The issue name begins with RFC:.

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[kgryte]

@Diyan-Dev Yes, although you should be more concrete in what you are hoping to change. Just linking to files as you have done here is not super informative.