replace word in csv python code example

Example: how to replace a word in csv file using python

import csv

inputfile = csv.reader(open('civil-war-battles.csv','r'))
outputfile = open('placelist.txt','w')

i=0

for row in inputfile:
    place = row[2].replace(' ,',',')
    print place
    outputfile.write(place+'\n')
    i+=1