"lat, lon"
"14.5553, 121.01806"
"14.60584, 120.99963"
"14.5625,121.02938"

import csv
input_filename = '/Users/FreeSys/desktop/pyrevtest.csv'
output_filename = '/Users/FreeSys/desktop/pyrevtestcoded.csv'
cities = [(row[0],row[1]) for row in csv.reader(open(input_filename,'rt'),delimiter='t')]

pp.pprint(cities[0:5])

IndexError                                Traceback (most recent call last)
<ipython-input-8-317fda8cb105> in <module>()
      2 input_filename = '/Users/Freeware Sys/desktop/pyrevtest.csv'
      3 output_filename = '/Users/Freeware Sys/desktop/pyrevtestcoded.csv'
----> 4 cities = [(row[2],row[3]) for row in csv.reader(open(input_filename,'rt'),delimiter='t')]

<ipython-input-8-317fda8cb105> in <listcomp>(.0)
      2 input_filename = '/Users/Freeware Sys/desktop/pyrevtest.csv'
      3 output_filename = '/Users/Freeware Sys/desktop/pyrevtestcoded.csv'
----> 4 cities = [(row[2],row[3]) for row in csv.reader(open(input_filename,'rt'),delimiter='t')]

IndexError: list index out of range