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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 currentAbove(requestContext, seriesList, n):
 """ Takes one metric or a wildcard seriesList followed by an integer N. Out of all metrics passed, draws only the metrics whose value is above N at the end of the time period specified. Example:: &target=currentAbove(server*.instance*.threads.busy,50) Draws the servers with more than 50 busy threads. """

    results = []
    for series in seriesList:
        val = safeLast(series)
        if val is not None and val >= n:
            results.append(series)
    return results