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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 fleet_id_to_slug(did):
 """ Converts a fleet id into a correct fleet slug. Args: did (long) : A fleet id did (string) : A device slug in the form of XXXX, XXXX-XXXX-XXXX, g--XXXX, g--XXXX-XXXX-XXXX Returns: str: The device slug in the g--XXXX-XXXX-XXX format Raises: ArgumentError: if the ID is not in the [1, 16**12] range, or if not a valid string """


    try:
        fleet_slug = IOTileFleetSlug(did)
    except ValueError:
        raise ArgumentError("Unable to recognize {} as a fleet id".format(did))

    return str(fleet_slug)