I am currently getting started with python. I have a server log file for the pages I visited over a period of time.

How do I write a python program to find out which IP address was visited most? Will I have to use dictionary? I have done this but I am not sure how to use regex to fetch IP addresses.

import reopenFile = open('text.txt', "r")readLines = openFile.read()
# pat = re.compile("^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$")
wordfreq = {}for word in readLines.split():if word not in wordfreq:wordfreq[word] = 1else:wordfreq[word] += 1print(wordfreq)# wordList = [(v,k) for k,v in wordfreq.items()]
# wordList.sort(reverse=True)
# 
# print(wordList)

PS: I don't want to use counter from python module. I am figuring out to do this with dictionary.

Using Regex and Counter

Demo:

import re
from collections import Counter
s = """www.google.com : 255.111.111.111-some random stuff-www.facebook.com : 255.222.222.222-some random stuff-www.google.com : 255.111.111.111-some random stuff-www.google.com : 255.111.111.111-some random stuff-
"""ips = re.findall("www\.[A-za-z]+\.[a-z]+\s+\:\s+(.*$)", s, flags=re.MULTILINE)
print(Counter(ips).most_common(1))

Output:

[('255.111.111.111', 3)]