save data as csv python code example

Example 1: code how pandas save csv file

df.to_csv('out.csv')

Example 2: save dataframe to csv

df.to_csv(file_name, sep='\t')

Example 3: python save as csv

import numpy as np
np.savetxt('data.csv', (col1_array, col2_array, col3_array), delimiter=',')