问BeautifulSoup4解析html

EN

import requests # much better than using urllib2
from bs4 import BeautifulSoup # you forgot the `from`

url = "http://en.wikipedia.org/wiki/List_of_high_schools_in_Texas" 
# you don't need () around it
r = requests.get(url) 
# does everything all at once, no need to call `opener` and `read()`
contents = r.text # get the HTML contents of the page

soup = BeautifulSoup(contents)
for item in soup.find_all('li'): # 'li' and 'il' are different things...
    print item.get_text()        # you need to iterate over all the elements
                                 # found by `find_all()`