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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 _get_geneid2nt(nts):
 """Get geneid2nt given a list of namedtuples."""

        geneid2nt = {}
        for ntd in nts:
            geneid = ntd.GeneID
            if geneid not in geneid2nt:
                geneid2nt[geneid] = ntd
            else:
                print("DUPLICATE GeneID FOUND {N:9} {SYM}".format(N=geneid, SYM=ntd.Symbol))
        return geneid2nt