from collections import Counter
import re

prLines = []

# You need a consensus, easiest is to download from collector, e.g: https://collector.torproject.org/recent/relay-descriptors/consensuses/2021-10-29-23-00-00-consensus
file = open("consensus", "r")

while True:
    line1 = file.readline()

    if not line1: break

    if re.search("^v.*Tor 0.4.6.7", line1, re.IGNORECASE):
        line2 = file.readline()
        prLines.append(line2)

c = Counter(prLines)

for element in c.most_common():
    print(element)

#print(c.most_common())
print()
print(c.most_common(1)[0][0])

file.close()