csv to numpy array

import pandas as pd 
pd.DataFrame(np_array).to_csv("path/to/file.csv")

from numpy import genfromtxt
my_data = genfromtxt('my_file.csv', delimiter=',')

import csv

results = []
with open("input.csv") as csvfile:
    reader = csv.reader(csvfile, quoting=csv.QUOTE_NONNUMERIC) # change contents to floats
    for row in reader: # each row is a list
        results.append(row)