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辞書内のタプルにある 2 つの要素を int 値に変換するのに少し問題があります。辞書のキーは国名で、情報のタプルは (地域、人口) です。これは私がこれまでに持っているものです:

def _demo_fileopenbox():        
    msg  = "Pick A File!"
    msg2 = "Select a country to learn more about!"
    title = "Open files"
    default="*.py"
    f = fileopenbox(msg,title,default=default)
    writeln("You chose to open file: %s" % f)

    countries = {}

    with open(f,'r') as handle:
        reader = csv.reader(handle, delimiter = '\t')  
        for row in reader:
            countries[row[0]] = (row[1].replace(',', ''), row[2].replace(',', ''))
            for i in countries:
                int((countries[i])[0]) 
                int((countries[i])[1])
        #while 1:
        #    reply = choicebox(msg=msg2, choices= list(countries.keys()) )
        #    writeln(reply + "-\tArea: " + (countries[reply])[0] + "\tPopulation: " + (countries[reply])[1] )

しかし、私はこのエラーが発生し続けます:

    int((countries[i])[0]) 
ValueError: invalid literal for int() with base 10: ''

これを修正する方法またはこれを行うためのより良い方法:

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