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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def format_json(event, colored):
 """ If the event message is a JSON string, then pretty print the JSON with 2 indents and sort the keys. This makes it very easy to visually parse and search JSON data """


        try:
            if event.message.startswith("{"):
                msg_dict = json.loads(event.message)
                event.message = json.dumps(msg_dict, indent=2)
        except Exception:
            # Skip if the event message was not JSON
            pass

        return event