判断ip差异

#/usr/bin/python3
# 判断文件ip.txt中的ip是否在ip2.txt中

diff_ip = 0
alike_ip = 0
with open(‘ip.txt‘) as ip_file,     open(‘ip2.txt‘) as ip2_file:
    for ip in ip2_file:
        if ip in ip_file:
            print(‘%s 是昨天访问过! ‘ % ip.strip())
            alike_ip += 1
        else:
            print(‘%s 昨天未访问过! ‘ % ip.strip())
            diff_ip += 1

print（"一共有%s 个ip是昨天访问而今天未访问\n一共有 %s 个ip 是昨天今天都访问了" % (diff_ip, alike_ip))