#!/usr/bin/env python import csv crimefile = open('input2.txt', 'r') #ireader = csv.reader(crimefile) allRows = [line.strip('\n').split('\t') for line in crimefile.readlines()] chk = 0 for line in allRows: hi = max([int(i) for i in line]) lo = min([int(i) for i in line]) chk = chk + (hi-lo) print chk chk = 0 for line in allRows: hi = max([int(i) for i in line]) lo = min([int(i) for i in line]) chk = chk + (hi-lo) print chk