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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 _varscan_options_from_config(config):
 """Retrieve additional options for VarScan from the configuration. """

    opts = ["--min-coverage 5", "--p-value 0.98", "--strand-filter 1"]
    resources = config_utils.get_resources("varscan", config)
    if resources.get("options"):
        opts += [str(x) for x in resources["options"]]
    return opts