data to csv python code example
Example 1: create csv file python
import csv
row_list = [["SN", "Name", "Contribution"],
[1, "Linus Torvalds", "Linux Kernel"],
[2, "Tim Berners-Lee", "World Wide Web"],
[3, "Guido van Rossum", "Python Programming"]]
with open('protagonist.csv', 'w', newline='') as file:
writer = csv.writer(file)
writer.writerows(row_list)
Example 2: python convert dat file to csv
import csv
with open("infile.dat") as infile, open("outfile.csv", "w") as outfile:
csv_writer = csv.writer(outfile)
prev = ''
csv_writer.writerow(['ID', 'PARENT_ID'])
for line in infile.read().splitlines():
csv_writer.writerow([line, prev])
prev = line
Example 3: python save as csv
import numpy as np
np.savetxt('data.csv', (col1_array, col2_array, col3_array), delimiter=',')