#!/usr/bin/python

ranks = {}

with open("alexa.csv", "rU") as alexa:

for row in alexa:

values = row.split(',')

ranks[values[1]] = values[0]

with open("customers.csv", "rU") as customers:

for row in customers:

values = row.split(',')

print ",".join([ranks[values[1]] if values[1] in ranks else "", values[0], values[1]]),

#print (ranks[values[1]] if values[1] in ranks else "") + "," + values[0] + "," + values[1],