[REFACTOR] formatter and json_util to use more pythonic coding style

[swarnadhakad]

Description

Issue

Changes Made

Utils to use more pythonic for loop Formatters to use columns.get instead of columns[] Add a method to add new formatters refactor json_utils

Definition of Done

Before submitting this pull request, please ensure that the following criteria have been met:

• [x] All automated tests have passed successfully.
• [ ] All manual tests have passed successfully.
• [ ] Code has been reviewed by at least one other team member.
• [ ] Code has been properly documented and commented as needed.
• [ ] All new and existing code adheres to our project's coding standards.
• [ ] All dependencies have been added or removed from the project's README or other documentation as needed.
• [ ] Any relevant documentation or help files have been updated to reflect the changes made in this pull request.
• [ ] Any necessary database migrations have been run.
• [ ] Any relevant UI changes have been reviewed and approved by the UI/UX team.

Additional Notes

[Add any additional notes or context for the reviewer or future maintainers of this code.]

Thank you for submitting!

[PoojaKatariya1811]

Hi @swarnadhakad. Can we run the functionality once end to end and attach some testing snapshot? Just to ensure all of these changes are working as expected.

[swarnadhakad]

Hi @swarnadhakad. Can we run the functionality once end to end and attach some testing snapshot? Just to ensure all of these changes are working as expected.

@PoojaKatariya1811 Since all these changes are very syntactical in nature and have been tested using test cases, I would like to go ahead and merge this change.