[Enhancement]Adding Invalid Input Handling from User and Improving Code Readibility

[RudrasSingh]

Issue: Add Invalid Input Handling and Improve Code Readability

Description:

• Input Handling: Add validation for user inputs to prevent crashes and display clear error messages for invalid data.
• Code Readability: Refactor functions, improve variable names, and add comments to make the codebase easier to understand and maintain.

Impact:

• Improves user experience and prevents unexpected errors.
• Enhances code maintainability for future contributors.

Tasks:

• [x] Add input validation and error messages.
• [x] Refactor functions for clarity.

Priority: Medium
Estimated Time: 3-5 hours

Kindly Add HacktoberFest Label with this issue

[RudrasSingh]

@drake044 Kindly assign this issue bro!

[RudrasSingh]

@drake044 Kindly check the PR.

[RudrasSingh]

@drake044 ???

[RudrasSingh]

Bro! @drake044 Check the PR and merge!