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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 uuidify(val):
 """Takes an integer and transforms it to a UUID format. returns: UUID formatted version of input. """

    if uuidutils.is_uuid_like(val):
        return val
    else:
        try:
            int_val = int(val, 16)
        except ValueError:
            with excutils.save_and_reraise_exception():
                LOG.error("Invalid UUID format %s. Please provide an "
                          "integer in decimal (0-9) or hex (0-9a-e) "
                          "format", val)
        res = str(int_val)
        num = 12 - len(res)
        return "00000000-0000-0000-0000-" + "0" * num + res