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1. ²âÊÔÒ³ÃæÊÇ·ñ¿É·ÃÎʵģ»
1.1 HTTP request status = 200, Ò³ÃæÏÂÔØÕýÈ·
from urllib import urlopen
# set up
url = None
# test
url = urlopen('http://www.baidu.com')
assert url.getcode() == 200
# clean up
del url
1.2 ÏÂÃæ¿¼ÂǸü¶àµÄ²âÊԵ㣬±ÈÈç¸÷ÖÖURL£¬¶Ë¿Ú£¬´úÀí£¬RequestÊý¾ÝÒÔ¼°Cookie.
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2. ²âÊÔÒ³ÃæµÄ¹¦ÄÜÊÇ·ñ·ûºÏÒªÇó: ÒԵǽ£¬·¢±íÎÄÕÂΪÀý
3. ²âÊÔÒ³ÃæµÄÐÔÄÜÊÇ·ñ·ûºÏÒªÇó£º
    ²¢·¢Óû§ÊýÁ¿£¬ÇëÇóÏìӦʱ¼ä£¬ÊÂÎñÇëÇóÏìӦʱ¼ä£¬£¨ÍÌÍÂÂÊ£¬ TPS£¬×ÊÔ´ÀûÓÃÂÊ ÎÞ·¨·ÃÎÊ·þÎñÆ÷)£¬ µã»÷ÂÊ
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'''
Created on 2009-9-2
@author: jiangqh
'''
# file create and write
context = '''hello world
hello china '''
f = file("hello.txt",'w')
f.write(context)
f.close()
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#use readline() read file
f = o ......

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'''
Created on 2009-9-2
@author: jiangqh
'''
import time,datetime
# date to str
print time.strftime("%Y-%m-%d %X", time.localtime())
#str to date
t = time.strptime("2009 - 08 - 08", "%Y - %m - %d")
y,m,d = t[0:3]
print datetime.datetime(y,m,d)

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