Added Age Calculator project by Tiruvadhi-Chiruhasini

[Tiruvadhi-Chiruhasini]

PR Title

Added Age Calculator project by Chiruhasini

Summary

Added a new Python script that calculates a person’s age based on their birthdate. Includes a simple README explaining how to use the script.

Description

This PR introduces the Age Calculator project:

The changes are as follows:

• Added age_calculator.py — a Python script to calculate age.
• Added README.md for the project with instructions on usage and requirements.

Checks

In the repository

• [x] Made no changes that degrade the functioning of the repository
• [x] Gave each commit a meaningful title (Added Age Calculator project by Chiruhasini)

In the PR

• [x] Followed the format of the pull_request_template
• [x] Made the Pull Request at a small level (for the maintainer's convenience)
• [x] Tested the changes you made

Thank You,

Tiruvadhi Chiruhasini

[Tiruvadhi-Chiruhasini]

Hi maintainers,

Just following up on this Pull Request for Hacktoberfest 2025.

I believe this contribution is ready for review and would be happy to make any changes if needed.

If the contribution is valid, please consider merging it or adding the hacktoberfest-accepted label so it can count towards the event.

Thanks for your time and for maintaining this project!