Parse apache log file - re module usage - python script -- 2

Hi there, I have a small python script project that will parse apache log files. apache log file same content: [login to view URL] - - [05/Feb/2012:17:11:55 +0000] "GET / HTTP/1.1" 200 140 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.5 Safari/535.19" Sample: That will show 1) total requests (Code 200) 2) total requests starting with IP 24.43.x.x 3) total requests for [login to view URL] 4) total failed requests (Codes 404, 400 ) 5) total invalid requests for [login to view URL] 6) List the filenames for failed requests for files in directory /u01/app/data Easy project for someone who knows python/regular expressions well