Convert Hex to Unicode String by Java SDK or python

If there is a file include charsequence such like: \u53f0\u7063 and how to convert it to Unicode? There are two ways to achieve this requirement: Python and Java SDK 1.Java SDK: ref this link: http://blog.xuite.net/jameschih/java/5089783 use the java sdk tool in the bin folder native2ascii -reverse src.txt dist.txt then "\u53f0\u7063" convert to "台灣" on the other hand you can convert unicode string to hex native2ascii src.txt dist.txt ======================================================================== 2.Python ref: http://stackoverflow.com/questions/447107/what-is-the-difference-between-encode-decode print u'\\u53f0\\u7063'.decode('unicode-escape') then output 台灣