Download/dataset_size.py

import csv

downloadList = open("csv/Download_audioFile.csv", "r", encoding="utf8")
downloadList = csv.DictReader(downloadList)

datasetSize = 0.0

for row in downloadList:
    datasetFileSize = row["fileSize"].split(" ")

    sizeNum = datasetFileSize[0]
    sizeType = datasetFileSize[1]

    if sizeType == "KB":
        datasetSize += float(sizeNum)*(1024**1)
    
    elif sizeType == "MB":
        datasetSize += float(sizeNum)*(1024**2)

    elif sizeType == "GB":
        datasetSize += float(sizeNum)*(1024**3)

print(datasetSize/(1024**3))