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1.open
ʹÓÃopen´ò¿ªÎļþºóÒ»¶¨Òª¼ÇµÃµ÷ÓÃÎļþ¶ÔÏóµÄclose()·½·¨¡£±ÈÈç¿ÉÒÔÓÃtry/finallyÓï¾äÀ´È·±£×îºóÄܹرÕÎļþ¡£
file_object = open('thefile.txt')
try:
     all_the_text = file_object.read( )
finally:
     file_object.close( )
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2.¶ÁÎļþ
¶ÁÎı¾Îļþ
input = open('data', 'r')
#µÚ¶þ¸ö²ÎÊýĬÈÏΪr
input = open('data')
 
¶Á¶þ½øÖÆÎļþ
input = open('data', 'rb')
 
¶ÁÈ¡ËùÓÐÄÚÈÝ
file_object = open('thefile.txt')
try:
     all_the_text = file_object.read( )
finally:
     file_object.close( )
 
¶Á¹Ì¶¨×Ö½Ú
file_object = open('abinfile', 'rb')
try:
    while True:
         chunk = file_object.read(100)
        if not chunk:
            break
         do_something_with(chunk)
finally:
     file_object.close( )
 
¶ÁÿÐÐ
list_of_all_the_lines = file_object.readlines( )
Èç¹ûÎļþÊÇÎı¾Îļþ£¬»¹¿ÉÒÔÖ±½Ó±éÀúÎļþ¶ÔÏó»ñȡÿÐУº
for line in file_object:
     process line
 
3.дÎļþ
дÎı¾Îļþ
output = open('data', 'w')
 
д¶þ½øÖÆÎļþ
output = open('data', 'wb')
 
×·¼ÓдÎļþ
output = open('data', 'w+')
 
дÊý¾Ý
file_object = open('thefile.txt', 'w')
file_object.write(all_the_text)
file_object.close( )
 
дÈë¶àÐÐ
file_object.writelines(list_of_text_strings)
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 fd = urllib2.urlopen(url_link)
 data = fd.read()
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def GetHtmlSource(url):
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Python TKinter Gui: Toplevel window

#from pp3e Chapter 9.3
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# popup three new window, with style
# destroy() kills one window, quit() kills all windows and app; top-level
# windows have title, icon, iconify/deiconify and protocol for wm events;
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