import csv
import numpy as np

def read_csv(fileName):

    with open(fileName) as data:

        xy = csv.reader(data, delimiter=',')
        dim = sum(1 for cc in xy)
        x = np.zeros(dim)
        y = np.zeros(dim)
        data.seek(0)
        count = 0
        for row in xy:
            x[count] = row[0]
            y[count] = row[1]
            count = count + 1

    return x,y,count