format not keeping the input order #13

executing the data

[ { "calling": "332123456788", "called": "9876545433", "sk": "999" } ]

Give the output:

{ "stdout": "", "result": "sk,called,calling 999,9876545433,332123456788 ", "stderr": "", "exit_code": 0 }

Also, it is inserting a new line character in the end