import sys
sys.path.append('/home/adv/gks/lab 5/iplib.py')
import iplib

f = open("/home/adv/gks/laba 5/netsplain", 'r')
ip_mask = []
for line in f:
    ip_mask.append(line.strip())
f.close()

internal, external = {}, {}

f = open("/home/adv/gks/laba 5/squid", 'r')

for line in f:  
    parts = line.strip().split(' ')

    time, byte, ip = parts[0], parts[4], parts[7]

    if iplib.detect(ip) == 1:
        a, b = 0, 0
        for element in ip_mask:
            cidr = iplib.CIDR(element)
            if cidr.is_valid_ip(ip):
                a += 1
            else:
                b += 1
        if a == 1:
            internal[ip] = internal.get(ip, 0) + int(byte)
        else:
            external[ip] = external.get(ip, 0) + int(byte)
    
f.close()


f = open("/home/adv/gks/laba 5/internal", 'w')
for key, value in sorted(internal.items(),
                         key = lambda x: x[1],
                         reverse = True):
    f.write(str(key).rjust(15) + "   " + str(value) + "\n")
f.close()

f = open("/home/adv/gks/laba 5/external", 'w')
for key, value in sorted(external.items(),
                         key = lambda x: x[1],
                       reverse = True):
    f.write(str(key).rjust(15) + "   " + str(value) + "\n")
f.close()

...
ip_dict = {}
....
if ip not in ip_dict:
    for element in ip_mask:
         ....
        if cidr.is_valid_ip(ip):
            ip_dict[ip] = True
        else:
            ip_dict[ip] = False