Given a log file from Apache (like the one below), report how many hits were from each IP address.

examples/apache_access.log
127.0.0.1 - - [10/Apr/2007:10:39:11] "GET / HTTP/1.1" 500 606 "-"
127.0.0.1 - - [10/Apr/2007:10:39:11] "GET /favicon.ico HTTP/1.1" 200 766 "-"
139.12.0.2 - - [10/Apr/2007:10:40:54] "GET / HTTP/1.1" 500 612 "-"
139.12.0.2 - - [10/Apr/2007:10:40:54] "GET /favicon.ico HTTP/1.1" 200 766 "-"
127.0.0.1 - - [10/Apr/2007:10:53:10] "GET / HTTP/1.1" 500 612 "-"
127.0.0.1 - - [10/Apr/2007:10:54:08] "GET / HTTP/1.0" 200 3700 "-"
127.0.0.1 - - [10/Apr/2007:10:54:08] "GET /style.css HTTP/1.1" 200 614
127.0.0.1 - - [10/Apr/2007:10:54:08] "GET /img/pti-round.jpg HTTP/1.1" 200 17524
127.0.0.1 - - [10/Apr/2007:10:54:21] "GET /unix_sysadmin.html HTTP/1.1" 200 3880
217.0.22.3 - - [10/Apr/2007:10:54:51] "GET / HTTP/1.1" 200 34 "-"
217.0.22.3 - - [10/Apr/2007:10:54:51] "GET /favicon.ico HTTP/1.1" 200 11514 "-"
217.0.22.3 - - [10/Apr/2007:10:54:53] "GET /cgi/pti.pl HTTP/1.1" 500 617
127.0.0.1 - - [10/Apr/2007:10:54:08] "GET / HTTP/0.9" 200 3700 "-"
217.0.22.3 - - [10/Apr/2007:10:58:27] "GET / HTTP/1.1" 200 3700 "-"
217.0.22.3 - - [10/Apr/2007:10:58:34] "GET /unix.html HTTP/1.1" 200 3880
217.0.22.3 - - [10/Apr/2007:10:58:45] "GET /talks/read.html HTTP/1.1" 404 311