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# -*- coding: utf-8 -*-
import urllib2
from BeautifulSoup import BeautifulSoup, Tag
import re
page = urllib2.urlopen("http://bj.ganji.com/piao/zz_%E5%8C%97%E4%BA%AC-%E5%8D%97%E6%98%8C/20100210/")
soup = BeautifulSoup(page)
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>>> import string
>>> s='adbecf'
>>>
tt=string.maketrans("abc","ABC")
>>> s.translate(tt,"")
'AdBeCf'
>>>
s.translate(tt,"")
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5 or 6 and 6 ·µ»Øwhat?
0 or 5 ·µ»Øwhat?
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Á½Õß¾ùÐè import os
(1) os.system
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system(command) -> exit_status
Execute the command (a string) in a subshell.
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