export array to csv python code example

Example 1: python read csv into array

import csv 

items = []

with open('file.csv') as csvfile:    
	csvReader = csv.reader(csvfile)    
	for row in csvReader:        
		items.append(row[0])        
print(items)

Example 2: save numpy array to csv

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

Example 3: numpy to csv

import numpy as np
x = np.arange(0.0,5.0,1.0)
np.savetxt('test.csv', x, delimiter=',')