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<p><em>Unicode转义仅适用于Unicode字符串,要将常规字符串转换为Unicode,请使用<code>str.decode('unicode-escape')</code>:</em></p>
<pre><code>In [1]: s='\u0420\u043e\u0441\u0441\u0438\u044f'
In [2]: s
Out[2]: '\\u0420\\u043e\\u0441\\u0441\\u0438\\u044f'
In [3]: s.decode('unicode-escape')
Out[3]: u'\u0420\u043e\u0441\u0441\u0438\u044f'
In [4]: print s.decode('unicode-escape')
Россия
In [5]: s2="Gigi D\u2019Agostino"
In [6]: s2
Out[6]: 'Gigi D\\u2019Agostino'
In [7]: print s2.decode('unicode-escape')
Gigi D’Agostino
</code></pre>