import csv
import matplotlib.pyplot as plt

roomnum = []
sqm = []
years= []

with open('housingPriceOsloDecember2018.csv', encoding='utf8') as f:
    csvReader = csv.reader(f, delimiter=';')
    next(csvReader)
    for line in csvReader:
        askingPrice, squareMeter,roomNumber,builtYear,floor,kr_sqm = line
        roomnum.append(int(roomNumber))
        sqm.append(int(squareMeter))
        years.append(int(builtYear))

print(roomnum)
print(sqm)

size = sqm

plt.scatter(roomnum, years, s = size, label='apartment size (sqm)')
plt.legend()

plt.xlabel('room numbers')
plt.ylabel('years')
plt.title('Oslo housing')


plt.show()