python convert a csv to a tsv
import csv
with open('D:/AddressEvaluation/NAD/NAD.csv','r') as csvin, open('D:/NAD.txt', 'w') as tsvout:
csvin = csv.reader(csvin)
tsvout = csv.writer(tsvout, delimiter='\t')
for row in csvin:
tsvout.writerow(row)