gistfile1.py

def obfuscated():
    d=[0x20]*0x0D;o=0x61;
    for x in [[7,11],2,[10,12],[1],[0],2,[3,9],2,[2],1,[6],7,[8],3,[4]]:
        if hasattr(x, '__len__'):
            for c in x:
                d[c]=o
            o=o+1
        else:
            o=o+x
    return "".join(map(chr, d))

if __name__ == '__main__':
    import unittest
    
    class ObfuscatedTest(unittest.TestCase):
        def test_obfuscated(self):
            self.assertEqual('feliz navidad', obfuscated())

    unittest.main()