Query top accounts from Etherscan

ethereum_top_accounts.py

#!/usr/bin/env python

import requests
from bs4 import BeautifulSoup
import csv

def dump(soup):
    table = soup.find_all("div", class_="table-responsive")
    for t in table:
        for tr in t.find_all('tr'):
            tds = tr.find_all('td')
            rows = [0] * len(tds)
            for i in range(len(tds)):
                rows[i] = tds[i].get_text()
                if i == 1:
                    isContract = tds[i].find("i")
                    if isContract is not None:
                        rows[i] = "contract account"
                    else:
                        rows[i] = 'normal account'
            try:
                writer.writerow({'Rank': rows[0],
                    'Type': rows[1],
                    'Address': rows[2],
                    'Belong': rows[3],
                    'Balance': rows[4],
                    'Percentage': rows[5],
                    'TxCount': rows[6]
                })
                print("Rank: " + rows[0] + " Address: ", rows[2])
            except:
                pass
with open('ethereum_top_accounts.csv', 'w') as f:
    fieldnames = ['Rank', 'Type', 'Address', 'Belong', 'Balance', 'Percentage', 'TxCount']
    writer = csv.DictWriter(f, fieldnames=fieldnames)
    writer.writeheader()
    for page in range (1, 101):
        URL = "https://etherscan.io/accounts/" + str(page) + "?ps=100"
        sess = requests.Session()
        soup = BeautifulSoup(sess.get(URL).text, 'html.parser')
        rows = dump(soup)