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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 getOxum(dataPath):
 """ Calculate the oxum for a given path """


    fileCount = 0L
    fileSizeTotal = 0L
    for root, dirs, files in os.walk(dataPath):
        for fileName in files:
            fullName = os.path.join(root, fileName)
            stats = os.stat(fullName)
            fileSizeTotal += stats.st_size
            fileCount += 1
    return "%s.%s" % (fileSizeTotal, fileCount)