import requests

import re

url = "http://www.pythonchallenge.com/pc/def/equality.html"

content = requests.get(url).text

text = content.split("<!--")

if len(text) > 0:

text = text[1].split("-->")

if len(text) > 0:

text = text[0]

pattern = re.compile(r'[^A-Z][A-Z]{3}[a-z][A-Z]{3}[^A-Z]')

result = re.findall(pattern, text)

res = []

for item in result:

lower = re.findall(r"[a-z]", item)

if len(lower) > 2:

res.append(lower[1])

print("".join(res))