read&write csv in python

gistfile1.txt

import csv 
ifile  = open('test.csv', "rb")
reader = csv.reader(ifile)

rownum = 0
for row in reader:
    # Save header row.
    if rownum == 0:
        header = row
    else:
        colnum = 0
        for col in row:
            print '%-8s: %s' % (header[colnum], col)
            colnum += 1
            
    rownum += 1

ifile.close()