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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 compute_writer_results(results):
 """Compute all the given dask graphs `results` so that the files are saved. Args: results (iterable):
 Iterable of dask graphs resulting from calls to """

    if not results:
        return

    sources, targets, delayeds = split_results(results)

    # one or more writers have targets that we need to close in the future
    if targets:
        delayeds.append(da.store(sources, targets, compute=False))

    if delayeds:
        da.compute(delayeds)

    if targets:
        for target in targets:
            if hasattr(target, 'close'):
                target.close()