Armstrong number checker extension

[poseidonsanket]

Is your feature request related to a problem? Please describe.
check whether a number is armstrong or not

Describe the solution you'd like
check whether a number is armstrong or not

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

What problem is this feature trying to solve?

How do we know when the feature is complete?

[github-actions]

Thank you for creating this issue! 🎉 We'll look into it as soon as possible. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

You can also check our CONTRIBUTING.md for guidelines on contributing to this project.

[github-actions]

Hello @poseidonsanket! Your issue #1837 has been closed. Thank you for your contribution!