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>>> u'\uFFFD'.encode('utf8') '\xef\xbf\xbd' >>> u'��'.encode('gbk') '\xef\xbf\xbd\xef\xbf\xbd' >>> print (u'\...ÎÒÃǾ͵õ½ÁË"00001 101010"£¬ÔٰѸ÷λ¶ÔÆ룬²¹ÉÏÇ°µ¼µÄ0£¬¾ÍµÃµ½ÁË"0000 0000 0110 1010"£¬²»ºÃÒâ˼£¬ÕâÊÇUNICODEµÄ006A£¬...