Improved removeTask method with input validation and specific excepti…

[pulkitbajaj]

This pull request improves the removeTask method by adding input validation to ensure the task number is within the valid range. It also catches a specific IndexOutOfBoundsException instead of a general Exception, making the code more robust and easier to debug.

Changes:

• Added input validation to check if the task number is between 1 and the size of the to-do list
• Caught IndexOutOfBoundsException specifically to handle invalid task numbers
• Improved error messaging for invalid task numbers

These changes enhance the overall user experience and prevent potential errors when removing tasks from the to-do list.

[hackelite01]

For creating a PR for hacktoberfest, kindly visit https://github.com/hackelite01/hacktoberfest2024.