import csv
try:
    # read the file,split it and take the values into list
    fileObj = open('dataset.csv')
    fileReader = csv.reader(fileObj)
    fileData = list(fileReader)

    # average calculation
    total = 0
    entries = len(fileData)

    for row in fileData:
        total+=float(row[1])

    avg = total / entries
    print(total)
    print(avg)

    # list of higher income people (higher > average)
    higherIncome = []
    for row in fileData:
        if (float(row[1])>avg):
            higherIncome+=str(row)

    # writing a text file
    output = open('income.txt','w')
    for item in higherIncome:
        output.write(item)
    output.close()

except:
    print 'Something\'s wrong'