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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 run_strelka_with_merge(job, tumor_bam, normal_bam, univ_options, strelka_options):
 """ A wrapper for the the entire strelka sub-graph. :param dict tumor_bam: Dict of bam and bai for tumor DNA-Seq :param dict normal_bam: Dict of bam and bai for normal DNA-Seq :param dict univ_options: Dict of universal options used by almost all tools :param dict strelka_options: Options specific to strelka :return: fsID to the merged strelka calls :rtype: toil.fileStore.FileID """

    spawn = job.wrapJobFn(run_strelka, tumor_bam, normal_bam, univ_options,
                          strelka_options, split=False).encapsulate()
    job.addChild(spawn)
    return spawn.rv()