simple proof of concept for parsing Fibonacci Number web page

gistfile1.txt

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from lxml import html
import requests

def get_fibonacci(idx):
    r = requests.get('http://www.protocol5.com/Fibonacci/' + str(idx) + '.htm')
    t = html.fromstring(r.content.decode('utf8'))
    li_elms = t.xpath("//*[contains(@class, 'number-result')]/li")
    for li in li_elms:
        if li.xpath('h4/text()')[0].startswith('Decimal'):
            print(li.xpath('div/text()')[0])

def main():
    response = requests.get('http://www.protocol5.com/Fibonacci')
    tree = html.fromstring(response.content.decode('utf8'))
    numbers = tree.xpath("//*[contains(@class, 'fibonacci')]/a/text()")
    for idx in range(len(numbers)):
        get_fibonacci(idx)

if __name__ == '__main__':
    main()