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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 augustus(args):
 """ %prog augustus augustus.gff3 > reformatted.gff3 AUGUSTUS does generate a gff3 (--gff3=on) but need some refinement. """

    from jcvi.formats.gff import Gff

    p = OptionParser(augustus.__doc__)
    p.set_outfile()
    opts, args = p.parse_args(args)

    if len(args) != 1:
        sys.exit(not p.print_help())

    ingff3, = args
    gff = Gff(ingff3)
    fw = must_open(opts.outfile, "w")
    seen = defaultdict(int)
    for g in gff:
        if g.type not in ("gene", "transcript", "CDS"):
            continue

        if g.type == "transcript":
            g.type = "mRNA"

        prefix = g.seqid + "_"
        pid = prefix + g.id
        newid = "{0}-{1}".format(pid, seen[pid]) if pid in seen else pid
        seen[pid] += 1
        g.attributes["ID"] = [newid]
        g.attributes["Parent"] = [(prefix + x) for x in g.attributes["Parent"]]
        g.update_attributes()
        print(g, file=fw)
    fw.close()