把做工程过程中比较好的代码片段做个备份，下面资料是关于python分析apache和nginx日志文件输出访客ip列表的代码。

ips = {}fh = open("/var/log/nginx/access.log", "r").readlines()for line in fh: ip = line.split(" ")[0] if 6 < len(ip) <=15: ips[ip] = ips.get(ip, 0) + 1print ips