Parse apache access logs to show host names and connection times

parse_access_log.py

#!/usr/bin/python

import sys
import socket

line = sys.stdin.readline()
lasthost = ""
while len(line) != 0:
        mylist = line.split()
        if mylist[0] == lasthost:
                line = sys.stdin.readline()
                continue
        #print mylist
        print "%s : %s" % (mylist[3][1:], socket.getfqdn(mylist[0]))

        lasthost = mylist[0]
        line = sys.stdin.readline()