思路：
1、文件读取
2、先找出只访问一次的 只有一次时间
3、访问多次的 寻找开始时间和 最后一次时间
1、将所有IP和时间分别定义一个列表 两者元素相同
2、遍历搜索IP的index位置，同时去找时间位置
3、最后一次时间需要对IP和时间列表翻转
列表翻转方法：
1、 使用reversed()函数：reversed()函数返回的是一个迭代器，而不是一个List，需要再使用List函数转换一下
2、使用sorted() 其中reverse=True是按降序排列，reverse=False是按照升序排列
3、使用分片： 其中[::-1]代表从后向前取值，每次步进值为1
#/usr/bin/env python
#-*-coding:UTF-8 -*-
ips=[]
datelist=[]
ips_once=[] #仅出现一次的IP集合
ipindex_list=[] #IP信息列表
commdatetime=[] #时间信息列表 和IP信息是一一对应
infodict={} #创建了一个序列号 IP+时间的字典
ip_count_first=[] #仅出现一次的IP+时间集合
ip_count_many = [] #出现多次 IP第一次时间 第二次时间的集合
print("欢迎使用NGINX日志分析小工具！！！！")
print("功能一：统计每个IP访问的次数")
"""
with open("newlog.txt","r") as ngfile:
for line in ngfile:
iptime=line.split(' ')[0]
ip =iptime.split('-')[0]
time = iptime.split('[')[1]
print(ip,time)"""
with open("nginxlog.txt","r") as ngfile:
for line in ngfile:
ips.append(line.split()[0])
datelist.append(line.split()[1])
for i in range(0,int(len(ips))):
infodict[i]= "IP:"+ips[i]+" 访问时间："+datelist[i]
for ip in set(ips):
ip_count = str(ips).count(ip)
print("IP地址： "+ip+" 访问书次数："+ str(ip_count))
if ip_count == 1:
ip_index = ips.index(ip)
ip_count_first.append(infodict[ip_index])
ips_once.append(ip)
else:
first_index = ips.index(ip)
first_time = datelist[first_index]
ips_reverse= ips[::-1]
last_index = ips_reverse.index(ip)
datelist_reverse = datelist[::-1]
last_time = datelist_reverse[last_index]
ip_count_many.append('ip:'+ip+" 第一次访问时间: "+first_time+' 最后一次访问时间:'+last_time)
#print(ip_count_first)
#多次记录
print('功能二：统计只访问1次的IP地址和时间:'.format('*',3))
for ip_time in ip_count_first:
print(ip_time)
print('功能三：访问多次的IP地址,第一次时间和最后一次时间:')
for j in ip_count_many:
print(j)日志IP和时间部分
103.106.120.4 24/May/2018:06:12:10 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:12 103.106.120.4 24/May/2018:06:12:13 103.106.120.4 24/May/2018:06:12:14 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:12 103.106.120.4 24/May/2018:06:12:12 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:19:16 123.168.70.118 24/May/2018:06:16:57 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:17:04 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:43 123.168.70.118 24/May/2018:06:17:43 112.36.36.74 24/May/2018:06:18:00 183.230.30.249 24/May/2018:06:21:56 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:11 103.106.120.4 24/May/2018:06:12:12 103.106.120.4 24/May/2018:06:12:12 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:15 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:16 153.119.226.180 24/May/2018:06:13:19 123.168.70.118 24/May/2018:06:16:57 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:58 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.113 24/May/2018:06:16:59 123.168.70.118 24/May/2018:06:16:59 123.168.70.110 24/May/2018:06:17:04 123.168.70.117 24/May/2018:06:17:05 123.168.71.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:05 123.168.70.118 24/May/2018:06:17:43 123.168.70.118 24/May/2018:06:17:43 112.36.36.74 24/May/2018:06:18:00 183.230.30.249 24/May/2018:06:21:56 112.36.36.70 24/May/2018:06:18:00 112.36.36.70 24/May/2018:06:18:02 110.36.38.70 24/May/2018:06:18:00
结果：
欢迎使用NGINX日志分析小工具！！！！ 功能一：统计每个IP访问的次数 IP地址： 123.168.71.118 访问书次数：1 IP地址： 110.36.38.70 访问书次数：1 IP地址： 153.119.226.180 访问书次数：68 IP地址： 112.36.36.70 访问书次数：2 IP地址： 123.168.70.117 访问书次数：1 IP地址： 123.168.70.113 访问书次数：1 IP地址： 123.168.70.118 访问书次数：82 IP地址： 123.168.70.110 访问书次数：1 IP地址： 112.36.36.74 访问书次数：2 IP地址： 103.106.120.4 访问书次数：42 IP地址： 183.230.30.249 访问书次数：2 功能二：统计只访问1次的IP地址和时间: IP:123.168.71.118 访问时间：24/May/2018:06:17:05 IP:110.36.38.70 访问时间：24/May/2018:06:18:00 IP:123.168.70.117 访问时间：24/May/2018:06:17:05 IP:123.168.70.113 访问时间：24/May/2018:06:16:59 IP:123.168.70.110 访问时间：24/May/2018:06:17:04 功能三：访问多次的IP地址,第一次时间和最后一次时间: ip:153.119.226.180 第一次访问时间: 24/May/2018:06:13:15 最后一次访问时间:24/May/2018:06:13:19 ip:112.36.36.70 第一次访问时间: 24/May/2018:06:18:00 最后一次访问时间:24/May/2018:06:18:02 ip:123.168.70.118 第一次访问时间: 24/May/2018:06:16:57 最后一次访问时间:24/May/2018:06:17:43 ip:112.36.36.74 第一次访问时间: 24/May/2018:06:18:00 最后一次访问时间:24/May/2018:06:18:00 ip:103.106.120.4 第一次访问时间: 24/May/2018:06:12:10 最后一次访问时间:24/May/2018:06:12:12 ip:183.230.30.249 第一次访问时间: 24/May/2018:06:21:56 最后一次访问时间:24/May/2018:06:21:56
Python分析NGINX日志里面相同IP第一次访问时间和最后一次访问时间
原文：http://blog.51cto.com/dreamlinux/2120866