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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 _check_sample_config(items, in_file, config):
 """Identify common problems in input sample configuration files. """

    logger.info("Checking sample YAML configuration: %s" % in_file)
    _check_quality_format(items)
    _check_for_duplicates(items, "lane")
    _check_for_duplicates(items, "description")
    _check_for_degenerate_interesting_groups(items)
    _check_for_batch_clashes(items)
    _check_for_problem_somatic_batches(items, config)
    _check_for_misplaced(items, "algorithm",
                         ["resources", "metadata", "analysis",
                          "description", "genome_build", "lane", "files"])

    [_check_toplevel_misplaced(x) for x in items]
    [_check_algorithm_keys(x) for x in items]
    [_check_algorithm_values(x) for x in items]
    [_check_aligner(x) for x in items]
    [_check_variantcaller(x) for x in items]
    [_check_svcaller(x) for x in items]
    [_check_hetcaller(x) for x in items]
    [_check_indelcaller(x) for x in items]
    [_check_jointcaller(x) for x in items]
    [_check_hlacaller(x) for x in items]
    [_check_realign(x) for x in items]
    [_check_trim(x) for x in items]