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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 _add_umis_with_fastp(read_fq, umi_fq, out_fq, cores):
 """Add UMIs to reads from separate UMI file using fastp. """

    with utils.open_gzipsafe(umi_fq) as in_handle:
        in_handle.readline()  # name
        umi_size = len(in_handle.readline().strip())
    cmd = ("fastp -Q -A -L -G -w 1 --in1 {read_fq} --in2 {umi_fq} "
           "--umi --umi_prefix UMI --umi_loc read2 --umi_len {umi_size} "
           "--out1 >(bgzip --threads {cores} -c > {out_fq}) --out2 /dev/null "
           "-j /dev/null -h /dev/null")
    do.run(cmd.format(**locals()), "Add UMIs to fastq file with fastp")