Adds doctest examples for the hash tutorial

[sav-norem]

creating the python hash data type examples that will be used in conjunction with the hashes.md file in docs to show tabbed examples

Pull Request check-list

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• Does $ tox pass with this change (including linting)?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?
• Was the change added to CHANGES file?

NOTE: these things are not required to open a PR and can be done
afterwards / while the PR is open.

Description of change

Please provide a description of the change here.
Adding the python examples to be used in tabbed examples for the hash datatype.

[elena-kolevska]

@uglide please review and merge when you get the chace

[elena-kolevska]

@uglide I just added the changes. Can we merge pls?