import csv
import numpy

dataReader = csv.reader(open('example.csv','r'))
matrix = []
for index, row in enumerate(dataReader):
    for i, item in enumerate(row):
        matrix.append([])
        matrix[i].append(item)

x_values, y_values = [],[]
for y, column in enumerate(matrix):
    for x, item in enumerate(column):
        x_values.append(x+1)
        y_values.append(item)


np_x, np_y = numpy.array(x_values), numpy.array(y_values)

numpy.polyfit(np_x, np_y, 1)