read_csv.py

import numpy as np

def basic_way(filename):
    with open(filename, 'r') as f:
        lst = [line.split(',') for line in f]
    return np.array(lst)


def another_way(filename):
    return np.genfromtxt(filename, delimiter=',')


name = 'your.csv'
a = basic_way(name)
b = another_way(name)