Better readability and clarity

[vatsalcode]

Focused on enhancing readability, maintainability, and adding some comments for clarity.

Key Changes:

• Added Comments: Each function now starts with a comment explaining its purpose.

• Improved Error Messages: Error messages now include the function name and more context about the error.

• Refactored Code for Readability: Some lines have been broken down into multiple lines for better readability.

• Consistent Naming and Formatting: Adjusted the naming and formatting to be consistent throughout the script.