考虑:Python2.7.5(default,Mar92014,22:15:05)[GCC4.2.1CompatibleAppleLLVM5.0(clang-500.0.68)]ondarwinType"help","copyright","credits"or"license"formoreinformation.>>>'abc'==u'abc'True>>>'ab\xDF'==u'abc'__main__:1:UnicodeWarning:UnicodeequalcomparisonfailedtoconvertbothargumentstoUnicode-interpreting