Construct a Python function that takes a specific number of seconds and converts it into a "HH:MM:SS" time format.
Write a Python function that converts a given number of seconds into a time format described as "HH:MM:SS". Please note that a day is 86400 seconds. ### Parameters - `seconds`: It is a non-negative integer that signifies the number of seconds. ### Return Value - The function should return a string in the "HH:MM:SS" format, representing the time equivalent of the entered `seconds`. ### Examples ```python time_converter(0) # Output: "00:00:00" time_converter(1314) # Output: "00:21:54" time_converter(8888) # Output: "02:28:08" time_converter(86399) # Output: "23:59:59" ```