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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 map_to_precursors(seqs, names, loci, out_file, args):
 """map sequences to precursors with razers3"""

    with make_temp_directory() as temp:
        pre_fasta = os.path.join(temp, "pre.fa")
        seqs_fasta = os.path.join(temp, "seqs.fa")
        out_sam = os.path.join(temp, "out.sam")
        pre_fasta = get_loci_fasta(loci, pre_fasta, args.ref)
        out_precursor_file = out_file.replace("tsv", "fa")
        seqs_fasta = get_seqs_fasta(seqs, names, seqs_fasta)

        # print(open(pre_fasta).read().split("\n")[1])
        if find_cmd("razers3"):
            cmd = "razers3 -dr 2 -i 80 -rr 90 -f -o {out_sam} {temp}/pre.fa  {seqs_fasta}"
            run(cmd.format(**locals()))
            out_file = read_alignment(out_sam, loci, seqs, out_file)
            shutil.copy(pre_fasta, out_precursor_file)
    return out_file