[python]for 用法

import requests
from bs4 import BeautifulSoup

res = requests.get("http://www.nfd.com.tw/house/year/2016.htm")

soup= BeautifulSoup(res.text)

tb = soup.select('table')[0]
tr = tb.select('tr')
print tr[0]

for i in tr:
    print i.select('td')