Pull Request

Related issue

Fixes #2119

What does this PR do?

• In this PR, I have added a Go folder which is repo was missing and added a calculator program written in Go

PR checklist

Please check if your PR fulfills the following requirements:

• [*] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
• [*] Have you read the contributing guidelines?
• [*] Have you made sure that the title is accurate and descriptive of the changes?

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